Home / 10,475.40-15,713.08-2,684.20

Finding the Fourth Proportional to 10,475.40, 15,713.08 and 2,684.20

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Solution

The fourth proportional to 10,475.40, 15,713.08 and 2,684.20 is: 4,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.40 : 15,713.08 = 2,684.20 : x
  2. Step 2: Convert to fraction form
    10,475.40/15,713.08 = 2,684.20/x
  3. Step 3: Cross multiply
    10,475.40x = 15,713.08 × 2,684.20
  4. Step 4: Simplify right side
    10,475.40x = 42,177,049.34
  5. Step 5: Solve for x
    x = 42,177,049.34/10,475.40
  6. Step 6: Final answer
    x = 4,026.29

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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.