Home / 15,371.96-23,057.80-4,278.64

Finding the Fourth Proportional to 15,371.96, 23,057.80 and 4,278.64

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Solution

The fourth proportional to 15,371.96, 23,057.80 and 4,278.64 is: 6,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.96 : 23,057.80 = 4,278.64 : x
  2. Step 2: Convert to fraction form
    15,371.96/23,057.80 = 4,278.64/x
  3. Step 3: Cross multiply
    15,371.96x = 23,057.80 × 4,278.64
  4. Step 4: Simplify right side
    15,371.96x = 98,656,025.39
  5. Step 5: Solve for x
    x = 98,656,025.39/15,371.96
  6. Step 6: Final answer
    x = 6,417.92

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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.