Home / 14,000.70-21,000.60-4,641.15

Finding the Fourth Proportional to 14,000.70, 21,000.60 and 4,641.15

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Solution

The fourth proportional to 14,000.70, 21,000.60 and 4,641.15 is: 6,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.70 : 21,000.60 = 4,641.15 : x
  2. Step 2: Convert to fraction form
    14,000.70/21,000.60 = 4,641.15/x
  3. Step 3: Cross multiply
    14,000.70x = 21,000.60 × 4,641.15
  4. Step 4: Simplify right side
    14,000.70x = 97,466,934.69
  5. Step 5: Solve for x
    x = 97,466,934.69/14,000.70
  6. Step 6: Final answer
    x = 6,961.58

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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.