Home / 15,515.10-23,272.65-9,610.20

Finding the Fourth Proportional to 15,515.10, 23,272.65 and 9,610.20

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Solution

The fourth proportional to 15,515.10, 23,272.65 and 9,610.20 is: 14,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.10 : 23,272.65 = 9,610.20 : x
  2. Step 2: Convert to fraction form
    15,515.10/23,272.65 = 9,610.20/x
  3. Step 3: Cross multiply
    15,515.10x = 23,272.65 × 9,610.20
  4. Step 4: Simplify right side
    15,515.10x = 223,654,821.03
  5. Step 5: Solve for x
    x = 223,654,821.03/15,515.10
  6. Step 6: Final answer
    x = 14,415.30

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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.