Home / 17,332.46-23,918.80-9,780.39

Finding the Fourth Proportional to 17,332.46, 23,918.80 and 9,780.39

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Solution

The fourth proportional to 17,332.46, 23,918.80 and 9,780.39 is: 13,496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,332.46 : 23,918.80 = 9,780.39 : x
  2. Step 2: Convert to fraction form
    17,332.46/23,918.80 = 9,780.39/x
  3. Step 3: Cross multiply
    17,332.46x = 23,918.80 × 9,780.39
  4. Step 4: Simplify right side
    17,332.46x = 233,935,276.58
  5. Step 5: Solve for x
    x = 233,935,276.58/17,332.46
  6. Step 6: Final answer
    x = 13,496.94

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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.