Home / 10,243.13-15,364.69-3,317.63

Finding the Fourth Proportional to 10,243.13, 15,364.69 and 3,317.63

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Solution

The fourth proportional to 10,243.13, 15,364.69 and 3,317.63 is: 4,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.13 : 15,364.69 = 3,317.63 : x
  2. Step 2: Convert to fraction form
    10,243.13/15,364.69 = 3,317.63/x
  3. Step 3: Cross multiply
    10,243.13x = 15,364.69 × 3,317.63
  4. Step 4: Simplify right side
    10,243.13x = 50,974,271.37
  5. Step 5: Solve for x
    x = 50,974,271.37/10,243.13
  6. Step 6: Final answer
    x = 4,976.44

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Similar ratio
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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.