Home / 15,438.60-23,159.52-4,909.14

Finding the Fourth Proportional to 15,438.60, 23,159.52 and 4,909.14

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Solution

The fourth proportional to 15,438.60, 23,159.52 and 4,909.14 is: 7,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.60 : 23,159.52 = 4,909.14 : x
  2. Step 2: Convert to fraction form
    15,438.60/23,159.52 = 4,909.14/x
  3. Step 3: Cross multiply
    15,438.60x = 23,159.52 × 4,909.14
  4. Step 4: Simplify right side
    15,438.60x = 113,693,326.01
  5. Step 5: Solve for x
    x = 113,693,326.01/15,438.60
  6. Step 6: Final answer
    x = 7,364.23

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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.