Home / 12,246.11-16,899.63-7,213.46

Finding the Fourth Proportional to 12,246.11, 16,899.63 and 7,213.46

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Solution

The fourth proportional to 12,246.11, 16,899.63 and 7,213.46 is: 9,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.11 : 16,899.63 = 7,213.46 : x
  2. Step 2: Convert to fraction form
    12,246.11/16,899.63 = 7,213.46/x
  3. Step 3: Cross multiply
    12,246.11x = 16,899.63 × 7,213.46
  4. Step 4: Simplify right side
    12,246.11x = 121,904,720.52
  5. Step 5: Solve for x
    x = 121,904,720.52/12,246.11
  6. Step 6: Final answer
    x = 9,954.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.