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Finding the Fourth Proportional to 15,323.17, 22,986.92 and 5,459.53

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Solution

The fourth proportional to 15,323.17, 22,986.92 and 5,459.53 is: 8,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.17 : 22,986.92 = 5,459.53 : x
  2. Step 2: Convert to fraction form
    15,323.17/22,986.92 = 5,459.53/x
  3. Step 3: Cross multiply
    15,323.17x = 22,986.92 × 5,459.53
  4. Step 4: Simplify right side
    15,323.17x = 125,497,779.35
  5. Step 5: Solve for x
    x = 125,497,779.35/15,323.17
  6. Step 6: Final answer
    x = 8,190.07

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1.5x scale

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.