Home / 10,610.40-15,915.60-6,232.80

Finding the Fourth Proportional to 10,610.40, 15,915.60 and 6,232.80

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Solution

The fourth proportional to 10,610.40, 15,915.60 and 6,232.80 is: 9,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.40 : 15,915.60 = 6,232.80 : x
  2. Step 2: Convert to fraction form
    10,610.40/15,915.60 = 6,232.80/x
  3. Step 3: Cross multiply
    10,610.40x = 15,915.60 × 6,232.80
  4. Step 4: Simplify right side
    10,610.40x = 99,198,751.68
  5. Step 5: Solve for x
    x = 99,198,751.68/10,610.40
  6. Step 6: Final answer
    x = 9,349.20

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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.