Home / 13,527.02-20,290.53-8,876.45

Finding the Fourth Proportional to 13,527.02, 20,290.53 and 8,876.45

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Solution

The fourth proportional to 13,527.02, 20,290.53 and 8,876.45 is: 13,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.02 : 20,290.53 = 8,876.45 : x
  2. Step 2: Convert to fraction form
    13,527.02/20,290.53 = 8,876.45/x
  3. Step 3: Cross multiply
    13,527.02x = 20,290.53 × 8,876.45
  4. Step 4: Simplify right side
    13,527.02x = 180,107,773.57
  5. Step 5: Solve for x
    x = 180,107,773.57/13,527.02
  6. Step 6: Final answer
    x = 13,314.67

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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.