Home / 19,236.15-28,802.12-9,982.71

Finding the Fourth Proportional to 19,236.15, 28,802.12 and 9,982.71

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Solution

The fourth proportional to 19,236.15, 28,802.12 and 9,982.71 is: 14,947.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.15 : 28,802.12 = 9,982.71 : x
  2. Step 2: Convert to fraction form
    19,236.15/28,802.12 = 9,982.71/x
  3. Step 3: Cross multiply
    19,236.15x = 28,802.12 × 9,982.71
  4. Step 4: Simplify right side
    19,236.15x = 287,523,161.43
  5. Step 5: Solve for x
    x = 287,523,161.43/19,236.15
  6. Step 6: Final answer
    x = 14,947.02

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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.