Home / 10,187.32-14,057.85-5,711.03

Finding the Fourth Proportional to 10,187.32, 14,057.85 and 5,711.03

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Solution

The fourth proportional to 10,187.32, 14,057.85 and 5,711.03 is: 7,880.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.32 : 14,057.85 = 5,711.03 : x
  2. Step 2: Convert to fraction form
    10,187.32/14,057.85 = 5,711.03/x
  3. Step 3: Cross multiply
    10,187.32x = 14,057.85 × 5,711.03
  4. Step 4: Simplify right side
    10,187.32x = 80,284,846.47
  5. Step 5: Solve for x
    x = 80,284,846.47/10,187.32
  6. Step 6: Final answer
    x = 7,880.86

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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.