Home / 12,931.52-17,867.52-12,599.68

Finding the Fourth Proportional to 12,931.52, 17,867.52 and 12,599.68

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Solution

The fourth proportional to 12,931.52, 17,867.52 and 12,599.68 is: 17,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.52 : 17,867.52 = 12,599.68 : x
  2. Step 2: Convert to fraction form
    12,931.52/17,867.52 = 12,599.68/x
  3. Step 3: Cross multiply
    12,931.52x = 17,867.52 × 12,599.68
  4. Step 4: Simplify right side
    12,931.52x = 225,125,034.39
  5. Step 5: Solve for x
    x = 225,125,034.39/12,931.52
  6. Step 6: Final answer
    x = 17,409.02

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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.