Home / 15,318.40-22,977.60-4,929.88

Finding the Fourth Proportional to 15,318.40, 22,977.60 and 4,929.88

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Solution

The fourth proportional to 15,318.40, 22,977.60 and 4,929.88 is: 7,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.40 : 22,977.60 = 4,929.88 : x
  2. Step 2: Convert to fraction form
    15,318.40/22,977.60 = 4,929.88/x
  3. Step 3: Cross multiply
    15,318.40x = 22,977.60 × 4,929.88
  4. Step 4: Simplify right side
    15,318.40x = 113,276,810.69
  5. Step 5: Solve for x
    x = 113,276,810.69/15,318.40
  6. Step 6: Final answer
    x = 7,394.82

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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.