Home / 19,968.29-29,926.97-10,612.79

Finding the Fourth Proportional to 19,968.29, 29,926.97 and 10,612.79

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Solution

The fourth proportional to 19,968.29, 29,926.97 and 10,612.79 is: 15,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.29 : 29,926.97 = 10,612.79 : x
  2. Step 2: Convert to fraction form
    19,968.29/29,926.97 = 10,612.79/x
  3. Step 3: Cross multiply
    19,968.29x = 29,926.97 × 10,612.79
  4. Step 4: Simplify right side
    19,968.29x = 317,608,445.25
  5. Step 5: Solve for x
    x = 317,608,445.25/19,968.29
  6. Step 6: Final answer
    x = 15,905.64

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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.