Home / 12,179.80-18,263.02-7,501.56

Finding the Fourth Proportional to 12,179.80, 18,263.02 and 7,501.56

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Solution

The fourth proportional to 12,179.80, 18,263.02 and 7,501.56 is: 11,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.80 : 18,263.02 = 7,501.56 : x
  2. Step 2: Convert to fraction form
    12,179.80/18,263.02 = 7,501.56/x
  3. Step 3: Cross multiply
    12,179.80x = 18,263.02 × 7,501.56
  4. Step 4: Simplify right side
    12,179.80x = 137,001,140.31
  5. Step 5: Solve for x
    x = 137,001,140.31/12,179.80
  6. Step 6: Final answer
    x = 11,248.23

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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.