Home / 15,150.60-22,698.90-7,342.20

Finding the Fourth Proportional to 15,150.60, 22,698.90 and 7,342.20

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Solution

The fourth proportional to 15,150.60, 22,698.90 and 7,342.20 is: 11,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.60 : 22,698.90 = 7,342.20 : x
  2. Step 2: Convert to fraction form
    15,150.60/22,698.90 = 7,342.20/x
  3. Step 3: Cross multiply
    15,150.60x = 22,698.90 × 7,342.20
  4. Step 4: Simplify right side
    15,150.60x = 166,659,863.58
  5. Step 5: Solve for x
    x = 166,659,863.58/15,150.60
  6. Step 6: Final answer
    x = 11,000.22

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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.