Home / 10,839.32-16,258.98-4,266.20

Finding the Fourth Proportional to 10,839.32, 16,258.98 and 4,266.20

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Solution

The fourth proportional to 10,839.32, 16,258.98 and 4,266.20 is: 6,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.32 : 16,258.98 = 4,266.20 : x
  2. Step 2: Convert to fraction form
    10,839.32/16,258.98 = 4,266.20/x
  3. Step 3: Cross multiply
    10,839.32x = 16,258.98 × 4,266.20
  4. Step 4: Simplify right side
    10,839.32x = 69,364,060.48
  5. Step 5: Solve for x
    x = 69,364,060.48/10,839.32
  6. Step 6: Final answer
    x = 6,399.30

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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.