Home / 10,416.32-15,635.28-6,977.60

Finding the Fourth Proportional to 10,416.32, 15,635.28 and 6,977.60

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Solution

The fourth proportional to 10,416.32, 15,635.28 and 6,977.60 is: 10,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.32 : 15,635.28 = 6,977.60 : x
  2. Step 2: Convert to fraction form
    10,416.32/15,635.28 = 6,977.60/x
  3. Step 3: Cross multiply
    10,416.32x = 15,635.28 × 6,977.60
  4. Step 4: Simplify right side
    10,416.32x = 109,096,729.73
  5. Step 5: Solve for x
    x = 109,096,729.73/10,416.32
  6. Step 6: Final answer
    x = 10,473.63

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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.