Home / 10,274.04-15,400.13-5,338.71

Finding the Fourth Proportional to 10,274.04, 15,400.13 and 5,338.71

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Solution

The fourth proportional to 10,274.04, 15,400.13 and 5,338.71 is: 8,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.04 : 15,400.13 = 5,338.71 : x
  2. Step 2: Convert to fraction form
    10,274.04/15,400.13 = 5,338.71/x
  3. Step 3: Cross multiply
    10,274.04x = 15,400.13 × 5,338.71
  4. Step 4: Simplify right side
    10,274.04x = 82,216,801.34
  5. Step 5: Solve for x
    x = 82,216,801.34/10,274.04
  6. Step 6: Final answer
    x = 8,002.38

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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.