Home / 14,555.52-20,087.06-8,891.19

Finding the Fourth Proportional to 14,555.52, 20,087.06 and 8,891.19

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Solution

The fourth proportional to 14,555.52, 20,087.06 and 8,891.19 is: 12,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.52 : 20,087.06 = 8,891.19 : x
  2. Step 2: Convert to fraction form
    14,555.52/20,087.06 = 8,891.19/x
  3. Step 3: Cross multiply
    14,555.52x = 20,087.06 × 8,891.19
  4. Step 4: Simplify right side
    14,555.52x = 178,597,822.55
  5. Step 5: Solve for x
    x = 178,597,822.55/14,555.52
  6. Step 6: Final answer
    x = 12,270.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.