Home / 16,178.24-22,311.20-10,203.20

Finding the Fourth Proportional to 16,178.24, 22,311.20 and 10,203.20

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Solution

The fourth proportional to 16,178.24, 22,311.20 and 10,203.20 is: 14,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.24 : 22,311.20 = 10,203.20 : x
  2. Step 2: Convert to fraction form
    16,178.24/22,311.20 = 10,203.20/x
  3. Step 3: Cross multiply
    16,178.24x = 22,311.20 × 10,203.20
  4. Step 4: Simplify right side
    16,178.24x = 227,645,635.84
  5. Step 5: Solve for x
    x = 227,645,635.84/16,178.24
  6. Step 6: Final answer
    x = 14,071.10

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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.