Home / 13,560.16-20,340.26-8,884.08

Finding the Fourth Proportional to 13,560.16, 20,340.26 and 8,884.08

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Solution

The fourth proportional to 13,560.16, 20,340.26 and 8,884.08 is: 13,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.16 : 20,340.26 = 8,884.08 : x
  2. Step 2: Convert to fraction form
    13,560.16/20,340.26 = 8,884.08/x
  3. Step 3: Cross multiply
    13,560.16x = 20,340.26 × 8,884.08
  4. Step 4: Simplify right side
    13,560.16x = 180,704,497.06
  5. Step 5: Solve for x
    x = 180,704,497.06/13,560.16
  6. Step 6: Final answer
    x = 13,326.13

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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.