Home / 10,442.15-15,662.40-4,197.76

Finding the Fourth Proportional to 10,442.15, 15,662.40 and 4,197.76

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Solution

The fourth proportional to 10,442.15, 15,662.40 and 4,197.76 is: 6,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.15 : 15,662.40 = 4,197.76 : x
  2. Step 2: Convert to fraction form
    10,442.15/15,662.40 = 4,197.76/x
  3. Step 3: Cross multiply
    10,442.15x = 15,662.40 × 4,197.76
  4. Step 4: Simplify right side
    10,442.15x = 65,746,941.33
  5. Step 5: Solve for x
    x = 65,746,941.33/10,442.15
  6. Step 6: Final answer
    x = 6,296.30

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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.