Home / 13,808.94-20,696.13-10,875.66

Finding the Fourth Proportional to 13,808.94, 20,696.13 and 10,875.66

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Solution

The fourth proportional to 13,808.94, 20,696.13 and 10,875.66 is: 16,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.94 : 20,696.13 = 10,875.66 : x
  2. Step 2: Convert to fraction form
    13,808.94/20,696.13 = 10,875.66/x
  3. Step 3: Cross multiply
    13,808.94x = 20,696.13 × 10,875.66
  4. Step 4: Simplify right side
    13,808.94x = 225,084,073.20
  5. Step 5: Solve for x
    x = 225,084,073.20/13,808.94
  6. Step 6: Final answer
    x = 16,299.88

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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.