Home / 15,851.30-23,775.15-4,165.70

Finding the Fourth Proportional to 15,851.30, 23,775.15 and 4,165.70

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Solution

The fourth proportional to 15,851.30, 23,775.15 and 4,165.70 is: 6,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.30 : 23,775.15 = 4,165.70 : x
  2. Step 2: Convert to fraction form
    15,851.30/23,775.15 = 4,165.70/x
  3. Step 3: Cross multiply
    15,851.30x = 23,775.15 × 4,165.70
  4. Step 4: Simplify right side
    15,851.30x = 99,040,142.36
  5. Step 5: Solve for x
    x = 99,040,142.36/15,851.30
  6. Step 6: Final answer
    x = 6,248.08

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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.