Home / 15,077.69-22,548.58-11,520.86

Finding the Fourth Proportional to 15,077.69, 22,548.58 and 11,520.86

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Solution

The fourth proportional to 15,077.69, 22,548.58 and 11,520.86 is: 17,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.69 : 22,548.58 = 11,520.86 : x
  2. Step 2: Convert to fraction form
    15,077.69/22,548.58 = 11,520.86/x
  3. Step 3: Cross multiply
    15,077.69x = 22,548.58 × 11,520.86
  4. Step 4: Simplify right side
    15,077.69x = 259,778,955.25
  5. Step 5: Solve for x
    x = 259,778,955.25/15,077.69
  6. Step 6: Final answer
    x = 17,229.36

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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.