Home / 15,489.92-23,258.57-13,656.48

Finding the Fourth Proportional to 15,489.92, 23,258.57 and 13,656.48

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Solution

The fourth proportional to 15,489.92, 23,258.57 and 13,656.48 is: 20,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.92 : 23,258.57 = 13,656.48 : x
  2. Step 2: Convert to fraction form
    15,489.92/23,258.57 = 13,656.48/x
  3. Step 3: Cross multiply
    15,489.92x = 23,258.57 × 13,656.48
  4. Step 4: Simplify right side
    15,489.92x = 317,630,127.75
  5. Step 5: Solve for x
    x = 317,630,127.75/15,489.92
  6. Step 6: Final answer
    x = 20,505.61

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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.