Home / 17,888.21-24,686.84-9,930.57

Finding the Fourth Proportional to 17,888.21, 24,686.84 and 9,930.57

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Solution

The fourth proportional to 17,888.21, 24,686.84 and 9,930.57 is: 13,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.21 : 24,686.84 = 9,930.57 : x
  2. Step 2: Convert to fraction form
    17,888.21/24,686.84 = 9,930.57/x
  3. Step 3: Cross multiply
    17,888.21x = 24,686.84 × 9,930.57
  4. Step 4: Simplify right side
    17,888.21x = 245,154,324.95
  5. Step 5: Solve for x
    x = 245,154,324.95/17,888.21
  6. Step 6: Final answer
    x = 13,704.80

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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.