Home / 22,279.47-30,750.48-13,328.97

Finding the Fourth Proportional to 22,279.47, 30,750.48 and 13,328.97

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Solution

The fourth proportional to 22,279.47, 30,750.48 and 13,328.97 is: 18,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.47 : 30,750.48 = 13,328.97 : x
  2. Step 2: Convert to fraction form
    22,279.47/30,750.48 = 13,328.97/x
  3. Step 3: Cross multiply
    22,279.47x = 30,750.48 × 13,328.97
  4. Step 4: Simplify right side
    22,279.47x = 409,872,225.41
  5. Step 5: Solve for x
    x = 409,872,225.41/22,279.47
  6. Step 6: Final answer
    x = 18,396.86

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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.