Home / 13,279.76-19,923.11-4,959.84

Finding the Fourth Proportional to 13,279.76, 19,923.11 and 4,959.84

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Solution

The fourth proportional to 13,279.76, 19,923.11 and 4,959.84 is: 7,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.76 : 19,923.11 = 4,959.84 : x
  2. Step 2: Convert to fraction form
    13,279.76/19,923.11 = 4,959.84/x
  3. Step 3: Cross multiply
    13,279.76x = 19,923.11 × 4,959.84
  4. Step 4: Simplify right side
    13,279.76x = 98,815,506.41
  5. Step 5: Solve for x
    x = 98,815,506.41/13,279.76
  6. Step 6: Final answer
    x = 7,441.06

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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.