Home / 15,122.60-22,645.58-12,651.32

Finding the Fourth Proportional to 15,122.60, 22,645.58 and 12,651.32

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Solution

The fourth proportional to 15,122.60, 22,645.58 and 12,651.32 is: 18,944.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.60 : 22,645.58 = 12,651.32 : x
  2. Step 2: Convert to fraction form
    15,122.60/22,645.58 = 12,651.32/x
  3. Step 3: Cross multiply
    15,122.60x = 22,645.58 × 12,651.32
  4. Step 4: Simplify right side
    15,122.60x = 286,496,479.17
  5. Step 5: Solve for x
    x = 286,496,479.17/15,122.60
  6. Step 6: Final answer
    x = 18,944.92

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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.