Home / 25,186.16-34,756.17-13,855.65

Finding the Fourth Proportional to 25,186.16, 34,756.17 and 13,855.65

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Solution

The fourth proportional to 25,186.16, 34,756.17 and 13,855.65 is: 19,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.16 : 34,756.17 = 13,855.65 : x
  2. Step 2: Convert to fraction form
    25,186.16/34,756.17 = 13,855.65/x
  3. Step 3: Cross multiply
    25,186.16x = 34,756.17 × 13,855.65
  4. Step 4: Simplify right side
    25,186.16x = 481,569,326.86
  5. Step 5: Solve for x
    x = 481,569,326.86/25,186.16
  6. Step 6: Final answer
    x = 19,120.39

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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.