Home / 19,314.19-26,651.38-10,815.13

Finding the Fourth Proportional to 19,314.19, 26,651.38 and 10,815.13

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Solution

The fourth proportional to 19,314.19, 26,651.38 and 10,815.13 is: 14,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.19 : 26,651.38 = 10,815.13 : x
  2. Step 2: Convert to fraction form
    19,314.19/26,651.38 = 10,815.13/x
  3. Step 3: Cross multiply
    19,314.19x = 26,651.38 × 10,815.13
  4. Step 4: Simplify right side
    19,314.19x = 288,238,233.05
  5. Step 5: Solve for x
    x = 288,238,233.05/19,314.19
  6. Step 6: Final answer
    x = 14,923.65

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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.