Home / 15,111.80-22,671.60-5,751.98

Finding the Fourth Proportional to 15,111.80, 22,671.60 and 5,751.98

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Solution

The fourth proportional to 15,111.80, 22,671.60 and 5,751.98 is: 8,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.80 : 22,671.60 = 5,751.98 : x
  2. Step 2: Convert to fraction form
    15,111.80/22,671.60 = 5,751.98/x
  3. Step 3: Cross multiply
    15,111.80x = 22,671.60 × 5,751.98
  4. Step 4: Simplify right side
    15,111.80x = 130,406,589.77
  5. Step 5: Solve for x
    x = 130,406,589.77/15,111.80
  6. Step 6: Final answer
    x = 8,629.45

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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.