Home / 11,352.99-15,667.21-6,317.43

Finding the Fourth Proportional to 11,352.99, 15,667.21 and 6,317.43

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Solution

The fourth proportional to 11,352.99, 15,667.21 and 6,317.43 is: 8,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.99 : 15,667.21 = 6,317.43 : x
  2. Step 2: Convert to fraction form
    11,352.99/15,667.21 = 6,317.43/x
  3. Step 3: Cross multiply
    11,352.99x = 15,667.21 × 6,317.43
  4. Step 4: Simplify right side
    11,352.99x = 98,976,502.47
  5. Step 5: Solve for x
    x = 98,976,502.47/11,352.99
  6. Step 6: Final answer
    x = 8,718.10

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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.