Home / 19,144.16-28,721.71-8,045.13

Finding the Fourth Proportional to 19,144.16, 28,721.71 and 8,045.13

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Solution

The fourth proportional to 19,144.16, 28,721.71 and 8,045.13 is: 12,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.16 : 28,721.71 = 8,045.13 : x
  2. Step 2: Convert to fraction form
    19,144.16/28,721.71 = 8,045.13/x
  3. Step 3: Cross multiply
    19,144.16x = 28,721.71 × 8,045.13
  4. Step 4: Simplify right side
    19,144.16x = 231,070,008.54
  5. Step 5: Solve for x
    x = 231,070,008.54/19,144.16
  6. Step 6: Final answer
    x = 12,070.00

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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.