Home / 11,621.17-16,032.06-6,902.72

Finding the Fourth Proportional to 11,621.17, 16,032.06 and 6,902.72

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Solution

The fourth proportional to 11,621.17, 16,032.06 and 6,902.72 is: 9,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.17 : 16,032.06 = 6,902.72 : x
  2. Step 2: Convert to fraction form
    11,621.17/16,032.06 = 6,902.72/x
  3. Step 3: Cross multiply
    11,621.17x = 16,032.06 × 6,902.72
  4. Step 4: Simplify right side
    11,621.17x = 110,664,801.16
  5. Step 5: Solve for x
    x = 110,664,801.16/11,621.17
  6. Step 6: Final answer
    x = 9,522.69

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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.