Home / 15,100.80-22,656.32-4,712.80

Finding the Fourth Proportional to 15,100.80, 22,656.32 and 4,712.80

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Solution

The fourth proportional to 15,100.80, 22,656.32 and 4,712.80 is: 7,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.80 : 22,656.32 = 4,712.80 : x
  2. Step 2: Convert to fraction form
    15,100.80/22,656.32 = 4,712.80/x
  3. Step 3: Cross multiply
    15,100.80x = 22,656.32 × 4,712.80
  4. Step 4: Simplify right side
    15,100.80x = 106,774,704.90
  5. Step 5: Solve for x
    x = 106,774,704.90/15,100.80
  6. Step 6: Final answer
    x = 7,070.80

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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.