Home / 15,109.74-22,648.95-10,939.46

Finding the Fourth Proportional to 15,109.74, 22,648.95 and 10,939.46

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Solution

The fourth proportional to 15,109.74, 22,648.95 and 10,939.46 is: 16,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.74 : 22,648.95 = 10,939.46 : x
  2. Step 2: Convert to fraction form
    15,109.74/22,648.95 = 10,939.46/x
  3. Step 3: Cross multiply
    15,109.74x = 22,648.95 × 10,939.46
  4. Step 4: Simplify right side
    15,109.74x = 247,767,169.32
  5. Step 5: Solve for x
    x = 247,767,169.32/15,109.74
  6. Step 6: Final answer
    x = 16,397.84

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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.