Home / 18,344.69-25,316.04-11,174.91

Finding the Fourth Proportional to 18,344.69, 25,316.04 and 11,174.91

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Solution

The fourth proportional to 18,344.69, 25,316.04 and 11,174.91 is: 15,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.69 : 25,316.04 = 11,174.91 : x
  2. Step 2: Convert to fraction form
    18,344.69/25,316.04 = 11,174.91/x
  3. Step 3: Cross multiply
    18,344.69x = 25,316.04 × 11,174.91
  4. Step 4: Simplify right side
    18,344.69x = 282,904,468.56
  5. Step 5: Solve for x
    x = 282,904,468.56/18,344.69
  6. Step 6: Final answer
    x = 15,421.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.