Home / 14,009.32-20,911.43-12,348.62

Finding the Fourth Proportional to 14,009.32, 20,911.43 and 12,348.62

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Solution

The fourth proportional to 14,009.32, 20,911.43 and 12,348.62 is: 18,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.32 : 20,911.43 = 12,348.62 : x
  2. Step 2: Convert to fraction form
    14,009.32/20,911.43 = 12,348.62/x
  3. Step 3: Cross multiply
    14,009.32x = 20,911.43 × 12,348.62
  4. Step 4: Simplify right side
    14,009.32x = 258,227,229.04
  5. Step 5: Solve for x
    x = 258,227,229.04/14,009.32
  6. Step 6: Final answer
    x = 18,432.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.