Home / 15,285.05-22,931.57-5,291.88

Finding the Fourth Proportional to 15,285.05, 22,931.57 and 5,291.88

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Solution

The fourth proportional to 15,285.05, 22,931.57 and 5,291.88 is: 7,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.05 : 22,931.57 = 5,291.88 : x
  2. Step 2: Convert to fraction form
    15,285.05/22,931.57 = 5,291.88/x
  3. Step 3: Cross multiply
    15,285.05x = 22,931.57 × 5,291.88
  4. Step 4: Simplify right side
    15,285.05x = 121,351,043.89
  5. Step 5: Solve for x
    x = 121,351,043.89/15,285.05
  6. Step 6: Final answer
    x = 7,939.20

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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.