Home / 21,125.28-31,683.88-6,334.20

Finding the Fourth Proportional to 21,125.28, 31,683.88 and 6,334.20

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Solution

The fourth proportional to 21,125.28, 31,683.88 and 6,334.20 is: 9,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.28 : 31,683.88 = 6,334.20 : x
  2. Step 2: Convert to fraction form
    21,125.28/31,683.88 = 6,334.20/x
  3. Step 3: Cross multiply
    21,125.28x = 31,683.88 × 6,334.20
  4. Step 4: Simplify right side
    21,125.28x = 200,692,032.70
  5. Step 5: Solve for x
    x = 200,692,032.70/21,125.28
  6. Step 6: Final answer
    x = 9,500.09

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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.