Home / 18,284.60-25,215.08-15,452.04

Finding the Fourth Proportional to 18,284.60, 25,215.08 and 15,452.04

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Solution

The fourth proportional to 18,284.60, 25,215.08 and 15,452.04 is: 21,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.60 : 25,215.08 = 15,452.04 : x
  2. Step 2: Convert to fraction form
    18,284.60/25,215.08 = 15,452.04/x
  3. Step 3: Cross multiply
    18,284.60x = 25,215.08 × 15,452.04
  4. Step 4: Simplify right side
    18,284.60x = 389,624,424.76
  5. Step 5: Solve for x
    x = 389,624,424.76/18,284.60
  6. Step 6: Final answer
    x = 21,308.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.