Home / 13,528.38-20,303.02-8,847.12

Finding the Fourth Proportional to 13,528.38, 20,303.02 and 8,847.12

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Solution

The fourth proportional to 13,528.38, 20,303.02 and 8,847.12 is: 13,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.38 : 20,303.02 = 8,847.12 : x
  2. Step 2: Convert to fraction form
    13,528.38/20,303.02 = 8,847.12/x
  3. Step 3: Cross multiply
    13,528.38x = 20,303.02 × 8,847.12
  4. Step 4: Simplify right side
    13,528.38x = 179,623,254.30
  5. Step 5: Solve for x
    x = 179,623,254.30/13,528.38
  6. Step 6: Final answer
    x = 13,277.51

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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.