Home / 15,153.59-22,731.26-4,765.34

Finding the Fourth Proportional to 15,153.59, 22,731.26 and 4,765.34

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Solution

The fourth proportional to 15,153.59, 22,731.26 and 4,765.34 is: 7,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.59 : 22,731.26 = 4,765.34 : x
  2. Step 2: Convert to fraction form
    15,153.59/22,731.26 = 4,765.34/x
  3. Step 3: Cross multiply
    15,153.59x = 22,731.26 × 4,765.34
  4. Step 4: Simplify right side
    15,153.59x = 108,322,045.05
  5. Step 5: Solve for x
    x = 108,322,045.05/15,153.59
  6. Step 6: Final answer
    x = 7,148.28

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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.