Home / 15,141.16-20,876.92-10,363.41

Finding the Fourth Proportional to 15,141.16, 20,876.92 and 10,363.41

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Solution

The fourth proportional to 15,141.16, 20,876.92 and 10,363.41 is: 14,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.16 : 20,876.92 = 10,363.41 : x
  2. Step 2: Convert to fraction form
    15,141.16/20,876.92 = 10,363.41/x
  3. Step 3: Cross multiply
    15,141.16x = 20,876.92 × 10,363.41
  4. Step 4: Simplify right side
    15,141.16x = 216,356,081.50
  5. Step 5: Solve for x
    x = 216,356,081.50/15,141.16
  6. Step 6: Final answer
    x = 14,289.27

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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.