Home / 19,810.60-29,732.70-8,132.20

Finding the Fourth Proportional to 19,810.60, 29,732.70 and 8,132.20

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Solution

The fourth proportional to 19,810.60, 29,732.70 and 8,132.20 is: 12,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.60 : 29,732.70 = 8,132.20 : x
  2. Step 2: Convert to fraction form
    19,810.60/29,732.70 = 8,132.20/x
  3. Step 3: Cross multiply
    19,810.60x = 29,732.70 × 8,132.20
  4. Step 4: Simplify right side
    19,810.60x = 241,792,262.94
  5. Step 5: Solve for x
    x = 241,792,262.94/19,810.60
  6. Step 6: Final answer
    x = 12,205.20

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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.