Home / 10,051.62-15,079.08-3,124.50

Finding the Fourth Proportional to 10,051.62, 15,079.08 and 3,124.50

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Solution

The fourth proportional to 10,051.62, 15,079.08 and 3,124.50 is: 4,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.62 : 15,079.08 = 3,124.50 : x
  2. Step 2: Convert to fraction form
    10,051.62/15,079.08 = 3,124.50/x
  3. Step 3: Cross multiply
    10,051.62x = 15,079.08 × 3,124.50
  4. Step 4: Simplify right side
    10,051.62x = 47,114,585.46
  5. Step 5: Solve for x
    x = 47,114,585.46/10,051.62
  6. Step 6: Final answer
    x = 4,687.26

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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.