Home / 19,360.80-26,717.28-10,863.12

Finding the Fourth Proportional to 19,360.80, 26,717.28 and 10,863.12

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Solution

The fourth proportional to 19,360.80, 26,717.28 and 10,863.12 is: 14,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.80 : 26,717.28 = 10,863.12 : x
  2. Step 2: Convert to fraction form
    19,360.80/26,717.28 = 10,863.12/x
  3. Step 3: Cross multiply
    19,360.80x = 26,717.28 × 10,863.12
  4. Step 4: Simplify right side
    19,360.80x = 290,233,018.71
  5. Step 5: Solve for x
    x = 290,233,018.71/19,360.80
  6. Step 6: Final answer
    x = 14,990.76

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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.