Home / 14,284.15-21,426.22-6,887.23

Finding the Fourth Proportional to 14,284.15, 21,426.22 and 6,887.23

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Solution

The fourth proportional to 14,284.15, 21,426.22 and 6,887.23 is: 10,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.15 : 21,426.22 = 6,887.23 : x
  2. Step 2: Convert to fraction form
    14,284.15/21,426.22 = 6,887.23/x
  3. Step 3: Cross multiply
    14,284.15x = 21,426.22 × 6,887.23
  4. Step 4: Simplify right side
    14,284.15x = 147,567,260.21
  5. Step 5: Solve for x
    x = 147,567,260.21/14,284.15
  6. Step 6: Final answer
    x = 10,330.84

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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.