Home / 15,502.84-23,259.12-5,121.88

Finding the Fourth Proportional to 15,502.84, 23,259.12 and 5,121.88

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Solution

The fourth proportional to 15,502.84, 23,259.12 and 5,121.88 is: 7,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.84 : 23,259.12 = 5,121.88 : x
  2. Step 2: Convert to fraction form
    15,502.84/23,259.12 = 5,121.88/x
  3. Step 3: Cross multiply
    15,502.84x = 23,259.12 × 5,121.88
  4. Step 4: Simplify right side
    15,502.84x = 119,130,421.55
  5. Step 5: Solve for x
    x = 119,130,421.55/15,502.84
  6. Step 6: Final answer
    x = 7,684.43

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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.