Home / 15,538.80-23,308.20-10,581.60

Finding the Fourth Proportional to 15,538.80, 23,308.20 and 10,581.60

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Solution

The fourth proportional to 15,538.80, 23,308.20 and 10,581.60 is: 15,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.80 : 23,308.20 = 10,581.60 : x
  2. Step 2: Convert to fraction form
    15,538.80/23,308.20 = 10,581.60/x
  3. Step 3: Cross multiply
    15,538.80x = 23,308.20 × 10,581.60
  4. Step 4: Simplify right side
    15,538.80x = 246,638,049.12
  5. Step 5: Solve for x
    x = 246,638,049.12/15,538.80
  6. Step 6: Final answer
    x = 15,872.40

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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.