Home / 10,367.38-15,553.50-5,434.48

Finding the Fourth Proportional to 10,367.38, 15,553.50 and 5,434.48

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Solution

The fourth proportional to 10,367.38, 15,553.50 and 5,434.48 is: 8,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.38 : 15,553.50 = 5,434.48 : x
  2. Step 2: Convert to fraction form
    10,367.38/15,553.50 = 5,434.48/x
  3. Step 3: Cross multiply
    10,367.38x = 15,553.50 × 5,434.48
  4. Step 4: Simplify right side
    10,367.38x = 84,525,184.68
  5. Step 5: Solve for x
    x = 84,525,184.68/10,367.38
  6. Step 6: Final answer
    x = 8,152.99

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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.