Home / 15,150.72-22,677.60-8,113.20

Finding the Fourth Proportional to 15,150.72, 22,677.60 and 8,113.20

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Solution

The fourth proportional to 15,150.72, 22,677.60 and 8,113.20 is: 12,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.72 : 22,677.60 = 8,113.20 : x
  2. Step 2: Convert to fraction form
    15,150.72/22,677.60 = 8,113.20/x
  3. Step 3: Cross multiply
    15,150.72x = 22,677.60 × 8,113.20
  4. Step 4: Simplify right side
    15,150.72x = 183,987,904.32
  5. Step 5: Solve for x
    x = 183,987,904.32/15,150.72
  6. Step 6: Final answer
    x = 12,143.84

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1.5x scale

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.