Home / 10,345.74-15,518.61-2,554.55

Finding the Fourth Proportional to 10,345.74, 15,518.61 and 2,554.55

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Solution

The fourth proportional to 10,345.74, 15,518.61 and 2,554.55 is: 3,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.74 : 15,518.61 = 2,554.55 : x
  2. Step 2: Convert to fraction form
    10,345.74/15,518.61 = 2,554.55/x
  3. Step 3: Cross multiply
    10,345.74x = 15,518.61 × 2,554.55
  4. Step 4: Simplify right side
    10,345.74x = 39,643,103.97
  5. Step 5: Solve for x
    x = 39,643,103.97/10,345.74
  6. Step 6: Final answer
    x = 3,831.83

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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.