Home / 21,370.50-32,060.02-6,578.86

Finding the Fourth Proportional to 21,370.50, 32,060.02 and 6,578.86

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Solution

The fourth proportional to 21,370.50, 32,060.02 and 6,578.86 is: 9,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.50 : 32,060.02 = 6,578.86 : x
  2. Step 2: Convert to fraction form
    21,370.50/32,060.02 = 6,578.86/x
  3. Step 3: Cross multiply
    21,370.50x = 32,060.02 × 6,578.86
  4. Step 4: Simplify right side
    21,370.50x = 210,918,383.18
  5. Step 5: Solve for x
    x = 210,918,383.18/21,370.50
  6. Step 6: Final answer
    x = 9,869.60

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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.