Home / 11,510.26-15,881.94-8,328.52

Finding the Fourth Proportional to 11,510.26, 15,881.94 and 8,328.52

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Solution

The fourth proportional to 11,510.26, 15,881.94 and 8,328.52 is: 11,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.26 : 15,881.94 = 8,328.52 : x
  2. Step 2: Convert to fraction form
    11,510.26/15,881.94 = 8,328.52/x
  3. Step 3: Cross multiply
    11,510.26x = 15,881.94 × 8,328.52
  4. Step 4: Simplify right side
    11,510.26x = 132,273,054.93
  5. Step 5: Solve for x
    x = 132,273,054.93/11,510.26
  6. Step 6: Final answer
    x = 11,491.75

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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.