Home / 19,408.38-26,793.75-13,068.30

Finding the Fourth Proportional to 19,408.38, 26,793.75 and 13,068.30

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Solution

The fourth proportional to 19,408.38, 26,793.75 and 13,068.30 is: 18,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.38 : 26,793.75 = 13,068.30 : x
  2. Step 2: Convert to fraction form
    19,408.38/26,793.75 = 13,068.30/x
  3. Step 3: Cross multiply
    19,408.38x = 26,793.75 × 13,068.30
  4. Step 4: Simplify right side
    19,408.38x = 350,148,763.13
  5. Step 5: Solve for x
    x = 350,148,763.13/19,408.38
  6. Step 6: Final answer
    x = 18,041.11

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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.