Home / 12,526.92-18,790.98-10,331.58

Finding the Fourth Proportional to 12,526.92, 18,790.98 and 10,331.58

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Solution

The fourth proportional to 12,526.92, 18,790.98 and 10,331.58 is: 15,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.92 : 18,790.98 = 10,331.58 : x
  2. Step 2: Convert to fraction form
    12,526.92/18,790.98 = 10,331.58/x
  3. Step 3: Cross multiply
    12,526.92x = 18,790.98 × 10,331.58
  4. Step 4: Simplify right side
    12,526.92x = 194,140,513.15
  5. Step 5: Solve for x
    x = 194,140,513.15/12,526.92
  6. Step 6: Final answer
    x = 15,497.86

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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.