Home / 19,379.76-29,083.44-8,851.20

Finding the Fourth Proportional to 19,379.76, 29,083.44 and 8,851.20

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Solution

The fourth proportional to 19,379.76, 29,083.44 and 8,851.20 is: 13,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.76 : 29,083.44 = 8,851.20 : x
  2. Step 2: Convert to fraction form
    19,379.76/29,083.44 = 8,851.20/x
  3. Step 3: Cross multiply
    19,379.76x = 29,083.44 × 8,851.20
  4. Step 4: Simplify right side
    19,379.76x = 257,423,344.13
  5. Step 5: Solve for x
    x = 257,423,344.13/19,379.76
  6. Step 6: Final answer
    x = 13,283.10

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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.