Home / 20,293.68-30,381.48-14,349.36

Finding the Fourth Proportional to 20,293.68, 30,381.48 and 14,349.36

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Solution

The fourth proportional to 20,293.68, 30,381.48 and 14,349.36 is: 21,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.68 : 30,381.48 = 14,349.36 : x
  2. Step 2: Convert to fraction form
    20,293.68/30,381.48 = 14,349.36/x
  3. Step 3: Cross multiply
    20,293.68x = 30,381.48 × 14,349.36
  4. Step 4: Simplify right side
    20,293.68x = 435,954,793.85
  5. Step 5: Solve for x
    x = 435,954,793.85/20,293.68
  6. Step 6: Final answer
    x = 21,482.29

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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.