Home / 17,127.90-25,695.51-7,271.82

Finding the Fourth Proportional to 17,127.90, 25,695.51 and 7,271.82

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Solution

The fourth proportional to 17,127.90, 25,695.51 and 7,271.82 is: 10,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.90 : 25,695.51 = 7,271.82 : x
  2. Step 2: Convert to fraction form
    17,127.90/25,695.51 = 7,271.82/x
  3. Step 3: Cross multiply
    17,127.90x = 25,695.51 × 7,271.82
  4. Step 4: Simplify right side
    17,127.90x = 186,853,123.53
  5. Step 5: Solve for x
    x = 186,853,123.53/17,127.90
  6. Step 6: Final answer
    x = 10,909.28

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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.