Home / 30,867.11-46,291.09-11,143.10

Finding the Fourth Proportional to 30,867.11, 46,291.09 and 11,143.10

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Solution

The fourth proportional to 30,867.11, 46,291.09 and 11,143.10 is: 16,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.11 : 46,291.09 = 11,143.10 : x
  2. Step 2: Convert to fraction form
    30,867.11/46,291.09 = 11,143.10/x
  3. Step 3: Cross multiply
    30,867.11x = 46,291.09 × 11,143.10
  4. Step 4: Simplify right side
    30,867.11x = 515,826,244.98
  5. Step 5: Solve for x
    x = 515,826,244.98/30,867.11
  6. Step 6: Final answer
    x = 16,711.19

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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.