Home / 10,753.39-16,122.71-5,478.19

Finding the Fourth Proportional to 10,753.39, 16,122.71 and 5,478.19

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Solution

The fourth proportional to 10,753.39, 16,122.71 and 5,478.19 is: 8,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.39 : 16,122.71 = 5,478.19 : x
  2. Step 2: Convert to fraction form
    10,753.39/16,122.71 = 5,478.19/x
  3. Step 3: Cross multiply
    10,753.39x = 16,122.71 × 5,478.19
  4. Step 4: Simplify right side
    10,753.39x = 88,323,242.08
  5. Step 5: Solve for x
    x = 88,323,242.08/10,753.39
  6. Step 6: Final answer
    x = 8,213.53

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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.