Home / 17,384.20-23,989.56-9,426.28

Finding the Fourth Proportional to 17,384.20, 23,989.56 and 9,426.28

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Solution

The fourth proportional to 17,384.20, 23,989.56 and 9,426.28 is: 13,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384.20 : 23,989.56 = 9,426.28 : x
  2. Step 2: Convert to fraction form
    17,384.20/23,989.56 = 9,426.28/x
  3. Step 3: Cross multiply
    17,384.20x = 23,989.56 × 9,426.28
  4. Step 4: Simplify right side
    17,384.20x = 226,132,309.64
  5. Step 5: Solve for x
    x = 226,132,309.64/17,384.20
  6. Step 6: Final answer
    x = 13,007.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.