Home / 10,267.38-15,428.40-5,590.84

Finding the Fourth Proportional to 10,267.38, 15,428.40 and 5,590.84

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Solution

The fourth proportional to 10,267.38, 15,428.40 and 5,590.84 is: 8,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.38 : 15,428.40 = 5,590.84 : x
  2. Step 2: Convert to fraction form
    10,267.38/15,428.40 = 5,590.84/x
  3. Step 3: Cross multiply
    10,267.38x = 15,428.40 × 5,590.84
  4. Step 4: Simplify right side
    10,267.38x = 86,257,715.86
  5. Step 5: Solve for x
    x = 86,257,715.86/10,267.38
  6. Step 6: Final answer
    x = 8,401.14

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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.