Home / 10,248.20-14,145.90-6,471.80

Finding the Fourth Proportional to 10,248.20, 14,145.90 and 6,471.80

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Solution

The fourth proportional to 10,248.20, 14,145.90 and 6,471.80 is: 8,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.20 : 14,145.90 = 6,471.80 : x
  2. Step 2: Convert to fraction form
    10,248.20/14,145.90 = 6,471.80/x
  3. Step 3: Cross multiply
    10,248.20x = 14,145.90 × 6,471.80
  4. Step 4: Simplify right side
    10,248.20x = 91,549,435.62
  5. Step 5: Solve for x
    x = 91,549,435.62/10,248.20
  6. Step 6: Final answer
    x = 8,933.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.