Home / 22,910.40-34,370.51-7,115.10

Finding the Fourth Proportional to 22,910.40, 34,370.51 and 7,115.10

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Solution

The fourth proportional to 22,910.40, 34,370.51 and 7,115.10 is: 10,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.40 : 34,370.51 = 7,115.10 : x
  2. Step 2: Convert to fraction form
    22,910.40/34,370.51 = 7,115.10/x
  3. Step 3: Cross multiply
    22,910.40x = 34,370.51 × 7,115.10
  4. Step 4: Simplify right side
    22,910.40x = 244,549,615.70
  5. Step 5: Solve for x
    x = 244,549,615.70/22,910.40
  6. Step 6: Final answer
    x = 10,674.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.