Home / 10,743.99-16,115.78-4,417.49

Finding the Fourth Proportional to 10,743.99, 16,115.78 and 4,417.49

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Solution

The fourth proportional to 10,743.99, 16,115.78 and 4,417.49 is: 6,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.99 : 16,115.78 = 4,417.49 : x
  2. Step 2: Convert to fraction form
    10,743.99/16,115.78 = 4,417.49/x
  3. Step 3: Cross multiply
    10,743.99x = 16,115.78 × 4,417.49
  4. Step 4: Simplify right side
    10,743.99x = 71,191,296.99
  5. Step 5: Solve for x
    x = 71,191,296.99/10,743.99
  6. Step 6: Final answer
    x = 6,626.15

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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.