Home / 19,285.50-26,616.18-10,902.54

Finding the Fourth Proportional to 19,285.50, 26,616.18 and 10,902.54

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Solution

The fourth proportional to 19,285.50, 26,616.18 and 10,902.54 is: 15,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.50 : 26,616.18 = 10,902.54 : x
  2. Step 2: Convert to fraction form
    19,285.50/26,616.18 = 10,902.54/x
  3. Step 3: Cross multiply
    19,285.50x = 26,616.18 × 10,902.54
  4. Step 4: Simplify right side
    19,285.50x = 290,183,967.10
  5. Step 5: Solve for x
    x = 290,183,967.10/19,285.50
  6. Step 6: Final answer
    x = 15,046.74

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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.