Home / 10,306.29-15,459.36-2,910.69

Finding the Fourth Proportional to 10,306.29, 15,459.36 and 2,910.69

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Solution

The fourth proportional to 10,306.29, 15,459.36 and 2,910.69 is: 4,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.29 : 15,459.36 = 2,910.69 : x
  2. Step 2: Convert to fraction form
    10,306.29/15,459.36 = 2,910.69/x
  3. Step 3: Cross multiply
    10,306.29x = 15,459.36 × 2,910.69
  4. Step 4: Simplify right side
    10,306.29x = 44,997,404.56
  5. Step 5: Solve for x
    x = 44,997,404.56/10,306.29
  6. Step 6: Final answer
    x = 4,366.01

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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.