Home / 15,442.40-23,163.60-10,452.80

Finding the Fourth Proportional to 15,442.40, 23,163.60 and 10,452.80

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Solution

The fourth proportional to 15,442.40, 23,163.60 and 10,452.80 is: 15,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.40 : 23,163.60 = 10,452.80 : x
  2. Step 2: Convert to fraction form
    15,442.40/23,163.60 = 10,452.80/x
  3. Step 3: Cross multiply
    15,442.40x = 23,163.60 × 10,452.80
  4. Step 4: Simplify right side
    15,442.40x = 242,124,478.08
  5. Step 5: Solve for x
    x = 242,124,478.08/15,442.40
  6. Step 6: Final answer
    x = 15,679.20

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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.