Home / 19,013.30-26,238.20-10,948.54

Finding the Fourth Proportional to 19,013.30, 26,238.20 and 10,948.54

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Solution

The fourth proportional to 19,013.30, 26,238.20 and 10,948.54 is: 15,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.30 : 26,238.20 = 10,948.54 : x
  2. Step 2: Convert to fraction form
    19,013.30/26,238.20 = 10,948.54/x
  3. Step 3: Cross multiply
    19,013.30x = 26,238.20 × 10,948.54
  4. Step 4: Simplify right side
    19,013.30x = 287,269,982.23
  5. Step 5: Solve for x
    x = 287,269,982.23/19,013.30
  6. Step 6: Final answer
    x = 15,108.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.