Home / 15,452.64-23,120.64-8,881.92

Finding the Fourth Proportional to 15,452.64, 23,120.64 and 8,881.92

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Solution

The fourth proportional to 15,452.64, 23,120.64 and 8,881.92 is: 13,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.64 : 23,120.64 = 8,881.92 : x
  2. Step 2: Convert to fraction form
    15,452.64/23,120.64 = 8,881.92/x
  3. Step 3: Cross multiply
    15,452.64x = 23,120.64 × 8,881.92
  4. Step 4: Simplify right side
    15,452.64x = 205,355,674.83
  5. Step 5: Solve for x
    x = 205,355,674.83/15,452.64
  6. Step 6: Final answer
    x = 13,289.36

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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.