Home / 19,981.02-29,974.91-8,295.15

Finding the Fourth Proportional to 19,981.02, 29,974.91 and 8,295.15

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Solution

The fourth proportional to 19,981.02, 29,974.91 and 8,295.15 is: 12,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.02 : 29,974.91 = 8,295.15 : x
  2. Step 2: Convert to fraction form
    19,981.02/29,974.91 = 8,295.15/x
  3. Step 3: Cross multiply
    19,981.02x = 29,974.91 × 8,295.15
  4. Step 4: Simplify right side
    19,981.02x = 248,646,333.21
  5. Step 5: Solve for x
    x = 248,646,333.21/19,981.02
  6. Step 6: Final answer
    x = 12,444.13

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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.