Home / 15,128.08-22,695.36-6,357.94

Finding the Fourth Proportional to 15,128.08, 22,695.36 and 6,357.94

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Solution

The fourth proportional to 15,128.08, 22,695.36 and 6,357.94 is: 9,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.08 : 22,695.36 = 6,357.94 : x
  2. Step 2: Convert to fraction form
    15,128.08/22,695.36 = 6,357.94/x
  3. Step 3: Cross multiply
    15,128.08x = 22,695.36 × 6,357.94
  4. Step 4: Simplify right side
    15,128.08x = 144,295,737.16
  5. Step 5: Solve for x
    x = 144,295,737.16/15,128.08
  6. Step 6: Final answer
    x = 9,538.27

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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.