Home / 10,186.29-15,283.49-3,613.14

Finding the Fourth Proportional to 10,186.29, 15,283.49 and 3,613.14

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Solution

The fourth proportional to 10,186.29, 15,283.49 and 3,613.14 is: 5,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.29 : 15,283.49 = 3,613.14 : x
  2. Step 2: Convert to fraction form
    10,186.29/15,283.49 = 3,613.14/x
  3. Step 3: Cross multiply
    10,186.29x = 15,283.49 × 3,613.14
  4. Step 4: Simplify right side
    10,186.29x = 55,221,370.99
  5. Step 5: Solve for x
    x = 55,221,370.99/10,186.29
  6. Step 6: Final answer
    x = 5,421.15

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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.