Home / 10,369.50-15,555.78-3,347.16

Finding the Fourth Proportional to 10,369.50, 15,555.78 and 3,347.16

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Solution

The fourth proportional to 10,369.50, 15,555.78 and 3,347.16 is: 5,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.50 : 15,555.78 = 3,347.16 : x
  2. Step 2: Convert to fraction form
    10,369.50/15,555.78 = 3,347.16/x
  3. Step 3: Cross multiply
    10,369.50x = 15,555.78 × 3,347.16
  4. Step 4: Simplify right side
    10,369.50x = 52,067,684.58
  5. Step 5: Solve for x
    x = 52,067,684.58/10,369.50
  6. Step 6: Final answer
    x = 5,021.23

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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.