Home / 11,385.53-15,711.35-6,350.08

Finding the Fourth Proportional to 11,385.53, 15,711.35 and 6,350.08

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Solution

The fourth proportional to 11,385.53, 15,711.35 and 6,350.08 is: 8,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.53 : 15,711.35 = 6,350.08 : x
  2. Step 2: Convert to fraction form
    11,385.53/15,711.35 = 6,350.08/x
  3. Step 3: Cross multiply
    11,385.53x = 15,711.35 × 6,350.08
  4. Step 4: Simplify right side
    11,385.53x = 99,768,258.38
  5. Step 5: Solve for x
    x = 99,768,258.38/11,385.53
  6. Step 6: Final answer
    x = 8,762.73

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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.