Home / 12,397.08-18,580.50-9,487.56

Finding the Fourth Proportional to 12,397.08, 18,580.50 and 9,487.56

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Solution

The fourth proportional to 12,397.08, 18,580.50 and 9,487.56 is: 14,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.08 : 18,580.50 = 9,487.56 : x
  2. Step 2: Convert to fraction form
    12,397.08/18,580.50 = 9,487.56/x
  3. Step 3: Cross multiply
    12,397.08x = 18,580.50 × 9,487.56
  4. Step 4: Simplify right side
    12,397.08x = 176,283,608.58
  5. Step 5: Solve for x
    x = 176,283,608.58/12,397.08
  6. Step 6: Final answer
    x = 14,219.77

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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.