Home / 16,031.77-22,123.77-8,958.19

Finding the Fourth Proportional to 16,031.77, 22,123.77 and 8,958.19

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Solution

The fourth proportional to 16,031.77, 22,123.77 and 8,958.19 is: 12,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.77 : 22,123.77 = 8,958.19 : x
  2. Step 2: Convert to fraction form
    16,031.77/22,123.77 = 8,958.19/x
  3. Step 3: Cross multiply
    16,031.77x = 22,123.77 × 8,958.19
  4. Step 4: Simplify right side
    16,031.77x = 198,188,935.18
  5. Step 5: Solve for x
    x = 198,188,935.18/16,031.77
  6. Step 6: Final answer
    x = 12,362.26

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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.