Home / 12,474.72-18,695.92-5,070.52

Finding the Fourth Proportional to 12,474.72, 18,695.92 and 5,070.52

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Solution

The fourth proportional to 12,474.72, 18,695.92 and 5,070.52 is: 7,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.72 : 18,695.92 = 5,070.52 : x
  2. Step 2: Convert to fraction form
    12,474.72/18,695.92 = 5,070.52/x
  3. Step 3: Cross multiply
    12,474.72x = 18,695.92 × 5,070.52
  4. Step 4: Simplify right side
    12,474.72x = 94,798,036.28
  5. Step 5: Solve for x
    x = 94,798,036.28/12,474.72
  6. Step 6: Final answer
    x = 7,599.21

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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.