Home / 23,131.50-34,707.81-11,278.74

Finding the Fourth Proportional to 23,131.50, 34,707.81 and 11,278.74

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Solution

The fourth proportional to 23,131.50, 34,707.81 and 11,278.74 is: 16,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.50 : 34,707.81 = 11,278.74 : x
  2. Step 2: Convert to fraction form
    23,131.50/34,707.81 = 11,278.74/x
  3. Step 3: Cross multiply
    23,131.50x = 34,707.81 × 11,278.74
  4. Step 4: Simplify right side
    23,131.50x = 391,460,364.96
  5. Step 5: Solve for x
    x = 391,460,364.96/23,131.50
  6. Step 6: Final answer
    x = 16,923.26

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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.