Home / 15,302.57-22,953.86-4,921.61

Finding the Fourth Proportional to 15,302.57, 22,953.86 and 4,921.61

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Solution

The fourth proportional to 15,302.57, 22,953.86 and 4,921.61 is: 7,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,302.57 : 22,953.86 = 4,921.61 : x
  2. Step 2: Convert to fraction form
    15,302.57/22,953.86 = 4,921.61/x
  3. Step 3: Cross multiply
    15,302.57x = 22,953.86 × 4,921.61
  4. Step 4: Simplify right side
    15,302.57x = 112,969,946.91
  5. Step 5: Solve for x
    x = 112,969,946.91/15,302.57
  6. Step 6: Final answer
    x = 7,382.42

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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.