Home / 19,628.10-29,449.97-7,148.97

Finding the Fourth Proportional to 19,628.10, 29,449.97 and 7,148.97

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Solution

The fourth proportional to 19,628.10, 29,449.97 and 7,148.97 is: 10,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.10 : 29,449.97 = 7,148.97 : x
  2. Step 2: Convert to fraction form
    19,628.10/29,449.97 = 7,148.97/x
  3. Step 3: Cross multiply
    19,628.10x = 29,449.97 × 7,148.97
  4. Step 4: Simplify right side
    19,628.10x = 210,536,916.29
  5. Step 5: Solve for x
    x = 210,536,916.29/19,628.10
  6. Step 6: Final answer
    x = 10,726.30

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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.