Home / 10,306.80-15,453.51-3,732.12

Finding the Fourth Proportional to 10,306.80, 15,453.51 and 3,732.12

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Solution

The fourth proportional to 10,306.80, 15,453.51 and 3,732.12 is: 5,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.80 : 15,453.51 = 3,732.12 : x
  2. Step 2: Convert to fraction form
    10,306.80/15,453.51 = 3,732.12/x
  3. Step 3: Cross multiply
    10,306.80x = 15,453.51 × 3,732.12
  4. Step 4: Simplify right side
    10,306.80x = 57,674,353.74
  5. Step 5: Solve for x
    x = 57,674,353.74/10,306.80
  6. Step 6: Final answer
    x = 5,595.76

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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.