Home / 19,970.12-29,954.78-8,873.80

Finding the Fourth Proportional to 19,970.12, 29,954.78 and 8,873.80

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Solution

The fourth proportional to 19,970.12, 29,954.78 and 8,873.80 is: 13,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.12 : 29,954.78 = 8,873.80 : x
  2. Step 2: Convert to fraction form
    19,970.12/29,954.78 = 8,873.80/x
  3. Step 3: Cross multiply
    19,970.12x = 29,954.78 × 8,873.80
  4. Step 4: Simplify right side
    19,970.12x = 265,812,726.76
  5. Step 5: Solve for x
    x = 265,812,726.76/19,970.12
  6. Step 6: Final answer
    x = 13,310.52

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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.