Home / 15,289.47-22,932.99-4,759.20

Finding the Fourth Proportional to 15,289.47, 22,932.99 and 4,759.20

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Solution

The fourth proportional to 15,289.47, 22,932.99 and 4,759.20 is: 7,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.47 : 22,932.99 = 4,759.20 : x
  2. Step 2: Convert to fraction form
    15,289.47/22,932.99 = 4,759.20/x
  3. Step 3: Cross multiply
    15,289.47x = 22,932.99 × 4,759.20
  4. Step 4: Simplify right side
    15,289.47x = 109,142,686.01
  5. Step 5: Solve for x
    x = 109,142,686.01/15,289.47
  6. Step 6: Final answer
    x = 7,138.42

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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.