Home / 10,242.11-15,368.19-3,668.81

Finding the Fourth Proportional to 10,242.11, 15,368.19 and 3,668.81

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Solution

The fourth proportional to 10,242.11, 15,368.19 and 3,668.81 is: 5,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.11 : 15,368.19 = 3,668.81 : x
  2. Step 2: Convert to fraction form
    10,242.11/15,368.19 = 3,668.81/x
  3. Step 3: Cross multiply
    10,242.11x = 15,368.19 × 3,668.81
  4. Step 4: Simplify right side
    10,242.11x = 56,382,878.55
  5. Step 5: Solve for x
    x = 56,382,878.55/10,242.11
  6. Step 6: Final answer
    x = 5,505.00

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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.