Home / 9,357.30-14,031.54-2,781.18

Finding the Fourth Proportional to 9,357.30, 14,031.54 and 2,781.18

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Solution

The fourth proportional to 9,357.30, 14,031.54 and 2,781.18 is: 4,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.30 : 14,031.54 = 2,781.18 : x
  2. Step 2: Convert to fraction form
    9,357.30/14,031.54 = 2,781.18/x
  3. Step 3: Cross multiply
    9,357.30x = 14,031.54 × 2,781.18
  4. Step 4: Simplify right side
    9,357.30x = 39,024,238.42
  5. Step 5: Solve for x
    x = 39,024,238.42/9,357.30
  6. Step 6: Final answer
    x = 4,170.46

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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.