Home / 14,633.10-20,192.40-8,663.70

Finding the Fourth Proportional to 14,633.10, 20,192.40 and 8,663.70

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Solution

The fourth proportional to 14,633.10, 20,192.40 and 8,663.70 is: 11,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.10 : 20,192.40 = 8,663.70 : x
  2. Step 2: Convert to fraction form
    14,633.10/20,192.40 = 8,663.70/x
  3. Step 3: Cross multiply
    14,633.10x = 20,192.40 × 8,663.70
  4. Step 4: Simplify right side
    14,633.10x = 174,940,895.88
  5. Step 5: Solve for x
    x = 174,940,895.88/14,633.10
  6. Step 6: Final answer
    x = 11,955.15

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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.