Home / 13,560.06-20,304.72-10,913.11

Finding the Fourth Proportional to 13,560.06, 20,304.72 and 10,913.11

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Solution

The fourth proportional to 13,560.06, 20,304.72 and 10,913.11 is: 16,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.06 : 20,304.72 = 10,913.11 : x
  2. Step 2: Convert to fraction form
    13,560.06/20,304.72 = 10,913.11/x
  3. Step 3: Cross multiply
    13,560.06x = 20,304.72 × 10,913.11
  4. Step 4: Simplify right side
    13,560.06x = 221,587,642.88
  5. Step 5: Solve for x
    x = 221,587,642.88/13,560.06
  6. Step 6: Final answer
    x = 16,341.20

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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.