Home / 19,378.57-29,062.54-5,335.30

Finding the Fourth Proportional to 19,378.57, 29,062.54 and 5,335.30

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Solution

The fourth proportional to 19,378.57, 29,062.54 and 5,335.30 is: 8,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.57 : 29,062.54 = 5,335.30 : x
  2. Step 2: Convert to fraction form
    19,378.57/29,062.54 = 5,335.30/x
  3. Step 3: Cross multiply
    19,378.57x = 29,062.54 × 5,335.30
  4. Step 4: Simplify right side
    19,378.57x = 155,057,369.66
  5. Step 5: Solve for x
    x = 155,057,369.66/19,378.57
  6. Step 6: Final answer
    x = 8,001.49

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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.