Home / 21,630.44-32,445.45-6,839.35

Finding the Fourth Proportional to 21,630.44, 32,445.45 and 6,839.35

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Solution

The fourth proportional to 21,630.44, 32,445.45 and 6,839.35 is: 10,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.44 : 32,445.45 = 6,839.35 : x
  2. Step 2: Convert to fraction form
    21,630.44/32,445.45 = 6,839.35/x
  3. Step 3: Cross multiply
    21,630.44x = 32,445.45 × 6,839.35
  4. Step 4: Simplify right side
    21,630.44x = 221,905,788.46
  5. Step 5: Solve for x
    x = 221,905,788.46/21,630.44
  6. Step 6: Final answer
    x = 10,258.96

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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.