Home / 20,251.35-30,376.76-6,924.21

Finding the Fourth Proportional to 20,251.35, 30,376.76 and 6,924.21

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Solution

The fourth proportional to 20,251.35, 30,376.76 and 6,924.21 is: 10,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.35 : 30,376.76 = 6,924.21 : x
  2. Step 2: Convert to fraction form
    20,251.35/30,376.76 = 6,924.21/x
  3. Step 3: Cross multiply
    20,251.35x = 30,376.76 × 6,924.21
  4. Step 4: Simplify right side
    20,251.35x = 210,334,913.48
  5. Step 5: Solve for x
    x = 210,334,913.48/20,251.35
  6. Step 6: Final answer
    x = 10,386.22

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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.