Home / 10,540.06-15,807.66-3,966.91

Finding the Fourth Proportional to 10,540.06, 15,807.66 and 3,966.91

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Solution

The fourth proportional to 10,540.06, 15,807.66 and 3,966.91 is: 5,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.06 : 15,807.66 = 3,966.91 : x
  2. Step 2: Convert to fraction form
    10,540.06/15,807.66 = 3,966.91/x
  3. Step 3: Cross multiply
    10,540.06x = 15,807.66 × 3,966.91
  4. Step 4: Simplify right side
    10,540.06x = 62,707,510.14
  5. Step 5: Solve for x
    x = 62,707,510.14/10,540.06
  6. Step 6: Final answer
    x = 5,949.45

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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.