Home / 20,294.48-30,446.40-8,608.16

Finding the Fourth Proportional to 20,294.48, 30,446.40 and 8,608.16

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Solution

The fourth proportional to 20,294.48, 30,446.40 and 8,608.16 is: 12,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.48 : 30,446.40 = 8,608.16 : x
  2. Step 2: Convert to fraction form
    20,294.48/30,446.40 = 8,608.16/x
  3. Step 3: Cross multiply
    20,294.48x = 30,446.40 × 8,608.16
  4. Step 4: Simplify right side
    20,294.48x = 262,087,482.62
  5. Step 5: Solve for x
    x = 262,087,482.62/20,294.48
  6. Step 6: Final answer
    x = 12,914.23

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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.