Home / 10,439.46-15,663.78-3,864.24

Finding the Fourth Proportional to 10,439.46, 15,663.78 and 3,864.24

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Solution

The fourth proportional to 10,439.46, 15,663.78 and 3,864.24 is: 5,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.46 : 15,663.78 = 3,864.24 : x
  2. Step 2: Convert to fraction form
    10,439.46/15,663.78 = 3,864.24/x
  3. Step 3: Cross multiply
    10,439.46x = 15,663.78 × 3,864.24
  4. Step 4: Simplify right side
    10,439.46x = 60,528,605.23
  5. Step 5: Solve for x
    x = 60,528,605.23/10,439.46
  6. Step 6: Final answer
    x = 5,798.06

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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.