Home / 12,553.80-18,816.39-5,970.66

Finding the Fourth Proportional to 12,553.80, 18,816.39 and 5,970.66

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Solution

The fourth proportional to 12,553.80, 18,816.39 and 5,970.66 is: 8,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.80 : 18,816.39 = 5,970.66 : x
  2. Step 2: Convert to fraction form
    12,553.80/18,816.39 = 5,970.66/x
  3. Step 3: Cross multiply
    12,553.80x = 18,816.39 × 5,970.66
  4. Step 4: Simplify right side
    12,553.80x = 112,346,267.12
  5. Step 5: Solve for x
    x = 112,346,267.12/12,553.80
  6. Step 6: Final answer
    x = 8,949.18

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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.