Home / 12,487.30-17,252.73-12,364.42

Finding the Fourth Proportional to 12,487.30, 17,252.73 and 12,364.42

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Solution

The fourth proportional to 12,487.30, 17,252.73 and 12,364.42 is: 17,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.30 : 17,252.73 = 12,364.42 : x
  2. Step 2: Convert to fraction form
    12,487.30/17,252.73 = 12,364.42/x
  3. Step 3: Cross multiply
    12,487.30x = 17,252.73 × 12,364.42
  4. Step 4: Simplify right side
    12,487.30x = 213,319,999.87
  5. Step 5: Solve for x
    x = 213,319,999.87/12,487.30
  6. Step 6: Final answer
    x = 17,082.96

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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.