Home / 19,730.60-29,612.70-8,052.20

Finding the Fourth Proportional to 19,730.60, 29,612.70 and 8,052.20

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Solution

The fourth proportional to 19,730.60, 29,612.70 and 8,052.20 is: 12,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.60 : 29,612.70 = 8,052.20 : x
  2. Step 2: Convert to fraction form
    19,730.60/29,612.70 = 8,052.20/x
  3. Step 3: Cross multiply
    19,730.60x = 29,612.70 × 8,052.20
  4. Step 4: Simplify right side
    19,730.60x = 238,447,382.94
  5. Step 5: Solve for x
    x = 238,447,382.94/19,730.60
  6. Step 6: Final answer
    x = 12,085.16

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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.