Home / 15,048.09-20,765.66-8,675.82

Finding the Fourth Proportional to 15,048.09, 20,765.66 and 8,675.82

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Solution

The fourth proportional to 15,048.09, 20,765.66 and 8,675.82 is: 11,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.09 : 20,765.66 = 8,675.82 : x
  2. Step 2: Convert to fraction form
    15,048.09/20,765.66 = 8,675.82/x
  3. Step 3: Cross multiply
    15,048.09x = 20,765.66 × 8,675.82
  4. Step 4: Simplify right side
    15,048.09x = 180,159,084.96
  5. Step 5: Solve for x
    x = 180,159,084.96/15,048.09
  6. Step 6: Final answer
    x = 11,972.22

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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.