Home / 17,888.42-24,686.10-11,177.94

Finding the Fourth Proportional to 17,888.42, 24,686.10 and 11,177.94

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Solution

The fourth proportional to 17,888.42, 24,686.10 and 11,177.94 is: 15,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.42 : 24,686.10 = 11,177.94 : x
  2. Step 2: Convert to fraction form
    17,888.42/24,686.10 = 11,177.94/x
  3. Step 3: Cross multiply
    17,888.42x = 24,686.10 × 11,177.94
  4. Step 4: Simplify right side
    17,888.42x = 275,939,744.63
  5. Step 5: Solve for x
    x = 275,939,744.63/17,888.42
  6. Step 6: Final answer
    x = 15,425.61

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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.