Home / 13,740.88-20,580.18-10,760.76

Finding the Fourth Proportional to 13,740.88, 20,580.18 and 10,760.76

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Solution

The fourth proportional to 13,740.88, 20,580.18 and 10,760.76 is: 16,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.88 : 20,580.18 = 10,760.76 : x
  2. Step 2: Convert to fraction form
    13,740.88/20,580.18 = 10,760.76/x
  3. Step 3: Cross multiply
    13,740.88x = 20,580.18 × 10,760.76
  4. Step 4: Simplify right side
    13,740.88x = 221,458,304.19
  5. Step 5: Solve for x
    x = 221,458,304.19/13,740.88
  6. Step 6: Final answer
    x = 16,116.74

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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.