Home / 10,010.81-15,024.78-4,171.52

Finding the Fourth Proportional to 10,010.81, 15,024.78 and 4,171.52

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Solution

The fourth proportional to 10,010.81, 15,024.78 and 4,171.52 is: 6,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.81 : 15,024.78 = 4,171.52 : x
  2. Step 2: Convert to fraction form
    10,010.81/15,024.78 = 4,171.52/x
  3. Step 3: Cross multiply
    10,010.81x = 15,024.78 × 4,171.52
  4. Step 4: Simplify right side
    10,010.81x = 62,676,095.14
  5. Step 5: Solve for x
    x = 62,676,095.14/10,010.81
  6. Step 6: Final answer
    x = 6,260.84

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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.