Home / 11,166.24-15,411.02-6,690.18

Finding the Fourth Proportional to 11,166.24, 15,411.02 and 6,690.18

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Solution

The fourth proportional to 11,166.24, 15,411.02 and 6,690.18 is: 9,233.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.24 : 15,411.02 = 6,690.18 : x
  2. Step 2: Convert to fraction form
    11,166.24/15,411.02 = 6,690.18/x
  3. Step 3: Cross multiply
    11,166.24x = 15,411.02 × 6,690.18
  4. Step 4: Simplify right side
    11,166.24x = 103,102,464.33
  5. Step 5: Solve for x
    x = 103,102,464.33/11,166.24
  6. Step 6: Final answer
    x = 9,233.41

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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.