Home / 15,538.77-23,311.59-5,678.04

Finding the Fourth Proportional to 15,538.77, 23,311.59 and 5,678.04

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Solution

The fourth proportional to 15,538.77, 23,311.59 and 5,678.04 is: 8,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.77 : 23,311.59 = 5,678.04 : x
  2. Step 2: Convert to fraction form
    15,538.77/23,311.59 = 5,678.04/x
  3. Step 3: Cross multiply
    15,538.77x = 23,311.59 × 5,678.04
  4. Step 4: Simplify right side
    15,538.77x = 132,364,140.48
  5. Step 5: Solve for x
    x = 132,364,140.48/15,538.77
  6. Step 6: Final answer
    x = 8,518.32

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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.