Home / 17,387.04-23,977.56-11,423.76

Finding the Fourth Proportional to 17,387.04, 23,977.56 and 11,423.76

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Solution

The fourth proportional to 17,387.04, 23,977.56 and 11,423.76 is: 15,753.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.04 : 23,977.56 = 11,423.76 : x
  2. Step 2: Convert to fraction form
    17,387.04/23,977.56 = 11,423.76/x
  3. Step 3: Cross multiply
    17,387.04x = 23,977.56 × 11,423.76
  4. Step 4: Simplify right side
    17,387.04x = 273,913,890.83
  5. Step 5: Solve for x
    x = 273,913,890.83/17,387.04
  6. Step 6: Final answer
    x = 15,753.91

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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.