Home / 14,889.11-20,548.80-8,601.49

Finding the Fourth Proportional to 14,889.11, 20,548.80 and 8,601.49

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Solution

The fourth proportional to 14,889.11, 20,548.80 and 8,601.49 is: 11,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.11 : 20,548.80 = 8,601.49 : x
  2. Step 2: Convert to fraction form
    14,889.11/20,548.80 = 8,601.49/x
  3. Step 3: Cross multiply
    14,889.11x = 20,548.80 × 8,601.49
  4. Step 4: Simplify right side
    14,889.11x = 176,750,151.96
  5. Step 5: Solve for x
    x = 176,750,151.96/14,889.11
  6. Step 6: Final answer
    x = 11,871.10

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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.