Home / 10,645.11-15,967.67-3,717.99

Finding the Fourth Proportional to 10,645.11, 15,967.67 and 3,717.99

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Solution

The fourth proportional to 10,645.11, 15,967.67 and 3,717.99 is: 5,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.11 : 15,967.67 = 3,717.99 : x
  2. Step 2: Convert to fraction form
    10,645.11/15,967.67 = 3,717.99/x
  3. Step 3: Cross multiply
    10,645.11x = 15,967.67 × 3,717.99
  4. Step 4: Simplify right side
    10,645.11x = 59,367,618.79
  5. Step 5: Solve for x
    x = 59,367,618.79/10,645.11
  6. Step 6: Final answer
    x = 5,576.99

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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.