Home / 23,220.18-34,774.92-12,674.40

Finding the Fourth Proportional to 23,220.18, 34,774.92 and 12,674.40

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Solution

The fourth proportional to 23,220.18, 34,774.92 and 12,674.40 is: 18,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.18 : 34,774.92 = 12,674.40 : x
  2. Step 2: Convert to fraction form
    23,220.18/34,774.92 = 12,674.40/x
  3. Step 3: Cross multiply
    23,220.18x = 34,774.92 × 12,674.40
  4. Step 4: Simplify right side
    23,220.18x = 440,751,246.05
  5. Step 5: Solve for x
    x = 440,751,246.05/23,220.18
  6. Step 6: Final answer
    x = 18,981.39

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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.