Home / 15,140.16-22,705.92-5,904

Finding the Fourth Proportional to 15,140.16, 22,705.92 and 5,904

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Solution

The fourth proportional to 15,140.16, 22,705.92 and 5,904 is: 8,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.16 : 22,705.92 = 5,904 : x
  2. Step 2: Convert to fraction form
    15,140.16/22,705.92 = 5,904/x
  3. Step 3: Cross multiply
    15,140.16x = 22,705.92 × 5,904
  4. Step 4: Simplify right side
    15,140.16x = 134,055,751.68
  5. Step 5: Solve for x
    x = 134,055,751.68/15,140.16
  6. Step 6: Final answer
    x = 8,854.32

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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.