Home / 10,010.70-15,021.45-4,167.90

Finding the Fourth Proportional to 10,010.70, 15,021.45 and 4,167.90

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Solution

The fourth proportional to 10,010.70, 15,021.45 and 4,167.90 is: 6,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.70 : 15,021.45 = 4,167.90 : x
  2. Step 2: Convert to fraction form
    10,010.70/15,021.45 = 4,167.90/x
  3. Step 3: Cross multiply
    10,010.70x = 15,021.45 × 4,167.90
  4. Step 4: Simplify right side
    10,010.70x = 62,607,901.46
  5. Step 5: Solve for x
    x = 62,607,901.46/10,010.70
  6. Step 6: Final answer
    x = 6,254.10

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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.