Home / 12,127.80-18,200.34-10,952.76

Finding the Fourth Proportional to 12,127.80, 18,200.34 and 10,952.76

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Solution

The fourth proportional to 12,127.80, 18,200.34 and 10,952.76 is: 16,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.80 : 18,200.34 = 10,952.76 : x
  2. Step 2: Convert to fraction form
    12,127.80/18,200.34 = 10,952.76/x
  3. Step 3: Cross multiply
    12,127.80x = 18,200.34 × 10,952.76
  4. Step 4: Simplify right side
    12,127.80x = 199,343,955.94
  5. Step 5: Solve for x
    x = 199,343,955.94/12,127.80
  6. Step 6: Final answer
    x = 16,436.94

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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.