Home / 19,310.38-26,645.23-10,812.87

Finding the Fourth Proportional to 19,310.38, 26,645.23 and 10,812.87

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Solution

The fourth proportional to 19,310.38, 26,645.23 and 10,812.87 is: 14,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.38 : 26,645.23 = 10,812.87 : x
  2. Step 2: Convert to fraction form
    19,310.38/26,645.23 = 10,812.87/x
  3. Step 3: Cross multiply
    19,310.38x = 26,645.23 × 10,812.87
  4. Step 4: Simplify right side
    19,310.38x = 288,111,408.11
  5. Step 5: Solve for x
    x = 288,111,408.11/19,310.38
  6. Step 6: Final answer
    x = 14,920.03

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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.