Home / 19,444.49-29,182.31-8,919.47

Finding the Fourth Proportional to 19,444.49, 29,182.31 and 8,919.47

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Solution

The fourth proportional to 19,444.49, 29,182.31 and 8,919.47 is: 13,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.49 : 29,182.31 = 8,919.47 : x
  2. Step 2: Convert to fraction form
    19,444.49/29,182.31 = 8,919.47/x
  3. Step 3: Cross multiply
    19,444.49x = 29,182.31 × 8,919.47
  4. Step 4: Simplify right side
    19,444.49x = 260,290,850.55
  5. Step 5: Solve for x
    x = 260,290,850.55/19,444.49
  6. Step 6: Final answer
    x = 13,386.35

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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.