Home / 13,159.28-19,738.92-5,368.70

Finding the Fourth Proportional to 13,159.28, 19,738.92 and 5,368.70

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Solution

The fourth proportional to 13,159.28, 19,738.92 and 5,368.70 is: 8,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.28 : 19,738.92 = 5,368.70 : x
  2. Step 2: Convert to fraction form
    13,159.28/19,738.92 = 5,368.70/x
  3. Step 3: Cross multiply
    13,159.28x = 19,738.92 × 5,368.70
  4. Step 4: Simplify right side
    13,159.28x = 105,972,339.80
  5. Step 5: Solve for x
    x = 105,972,339.80/13,159.28
  6. Step 6: Final answer
    x = 8,053.05

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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.