Home / 12,577.71-18,851.85-5,173.05

Finding the Fourth Proportional to 12,577.71, 18,851.85 and 5,173.05

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Solution

The fourth proportional to 12,577.71, 18,851.85 and 5,173.05 is: 7,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.71 : 18,851.85 = 5,173.05 : x
  2. Step 2: Convert to fraction form
    12,577.71/18,851.85 = 5,173.05/x
  3. Step 3: Cross multiply
    12,577.71x = 18,851.85 × 5,173.05
  4. Step 4: Simplify right side
    12,577.71x = 97,521,562.64
  5. Step 5: Solve for x
    x = 97,521,562.64/12,577.71
  6. Step 6: Final answer
    x = 7,753.52

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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.