Home / 12,559.35-18,842.13-8,868.81

Finding the Fourth Proportional to 12,559.35, 18,842.13 and 8,868.81

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Solution

The fourth proportional to 12,559.35, 18,842.13 and 8,868.81 is: 13,305.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.35 : 18,842.13 = 8,868.81 : x
  2. Step 2: Convert to fraction form
    12,559.35/18,842.13 = 8,868.81/x
  3. Step 3: Cross multiply
    12,559.35x = 18,842.13 × 8,868.81
  4. Step 4: Simplify right side
    12,559.35x = 167,107,270.97
  5. Step 5: Solve for x
    x = 167,107,270.97/12,559.35
  6. Step 6: Final answer
    x = 13,305.41

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1.5x scale

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.