Home / 19,863.28-27,411.18-10,788.82

Finding the Fourth Proportional to 19,863.28, 27,411.18 and 10,788.82

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Solution

The fourth proportional to 19,863.28, 27,411.18 and 10,788.82 is: 14,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.28 : 27,411.18 = 10,788.82 : x
  2. Step 2: Convert to fraction form
    19,863.28/27,411.18 = 10,788.82/x
  3. Step 3: Cross multiply
    19,863.28x = 27,411.18 × 10,788.82
  4. Step 4: Simplify right side
    19,863.28x = 295,734,287.01
  5. Step 5: Solve for x
    x = 295,734,287.01/19,863.28
  6. Step 6: Final answer
    x = 14,888.49

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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.