Home / 13,060.92-18,011.88-10,071.96

Finding the Fourth Proportional to 13,060.92, 18,011.88 and 10,071.96

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Solution

The fourth proportional to 13,060.92, 18,011.88 and 10,071.96 is: 13,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.92 : 18,011.88 = 10,071.96 : x
  2. Step 2: Convert to fraction form
    13,060.92/18,011.88 = 10,071.96/x
  3. Step 3: Cross multiply
    13,060.92x = 18,011.88 × 10,071.96
  4. Step 4: Simplify right side
    13,060.92x = 181,414,934.88
  5. Step 5: Solve for x
    x = 181,414,934.88/13,060.92
  6. Step 6: Final answer
    x = 13,889.90

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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.