Home / 15,557.39-23,335.97-9,319.17

Finding the Fourth Proportional to 15,557.39, 23,335.97 and 9,319.17

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Solution

The fourth proportional to 15,557.39, 23,335.97 and 9,319.17 is: 13,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.39 : 23,335.97 = 9,319.17 : x
  2. Step 2: Convert to fraction form
    15,557.39/23,335.97 = 9,319.17/x
  3. Step 3: Cross multiply
    15,557.39x = 23,335.97 × 9,319.17
  4. Step 4: Simplify right side
    15,557.39x = 217,471,894.84
  5. Step 5: Solve for x
    x = 217,471,894.84/15,557.39
  6. Step 6: Final answer
    x = 13,978.69

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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.