Home / 14,000.37-21,000.10-5,680.18

Finding the Fourth Proportional to 14,000.37, 21,000.10 and 5,680.18

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Solution

The fourth proportional to 14,000.37, 21,000.10 and 5,680.18 is: 8,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.37 : 21,000.10 = 5,680.18 : x
  2. Step 2: Convert to fraction form
    14,000.37/21,000.10 = 5,680.18/x
  3. Step 3: Cross multiply
    14,000.37x = 21,000.10 × 5,680.18
  4. Step 4: Simplify right side
    14,000.37x = 119,284,348.02
  5. Step 5: Solve for x
    x = 119,284,348.02/14,000.37
  6. Step 6: Final answer
    x = 8,520.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.