Home / 13,526.69-20,290.03-8,876.12

Finding the Fourth Proportional to 13,526.69, 20,290.03 and 8,876.12

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Solution

The fourth proportional to 13,526.69, 20,290.03 and 8,876.12 is: 13,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.69 : 20,290.03 = 8,876.12 : x
  2. Step 2: Convert to fraction form
    13,526.69/20,290.03 = 8,876.12/x
  3. Step 3: Cross multiply
    13,526.69x = 20,290.03 × 8,876.12
  4. Step 4: Simplify right side
    13,526.69x = 180,096,769.62
  5. Step 5: Solve for x
    x = 180,096,769.62/13,526.69
  6. Step 6: Final answer
    x = 13,314.18

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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.