Home / 13,540.04-20,310.02-8,889.46

Finding the Fourth Proportional to 13,540.04, 20,310.02 and 8,889.46

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Solution

The fourth proportional to 13,540.04, 20,310.02 and 8,889.46 is: 13,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.04 : 20,310.02 = 8,889.46 : x
  2. Step 2: Convert to fraction form
    13,540.04/20,310.02 = 8,889.46/x
  3. Step 3: Cross multiply
    13,540.04x = 20,310.02 × 8,889.46
  4. Step 4: Simplify right side
    13,540.04x = 180,545,110.39
  5. Step 5: Solve for x
    x = 180,545,110.39/13,540.04
  6. Step 6: Final answer
    x = 13,334.16

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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.