Home / 11,833.90-16,330.16-6,528.58

Finding the Fourth Proportional to 11,833.90, 16,330.16 and 6,528.58

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Solution

The fourth proportional to 11,833.90, 16,330.16 and 6,528.58 is: 9,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.90 : 16,330.16 = 6,528.58 : x
  2. Step 2: Convert to fraction form
    11,833.90/16,330.16 = 6,528.58/x
  3. Step 3: Cross multiply
    11,833.90x = 16,330.16 × 6,528.58
  4. Step 4: Simplify right side
    11,833.90x = 106,612,755.97
  5. Step 5: Solve for x
    x = 106,612,755.97/11,833.90
  6. Step 6: Final answer
    x = 9,009.10

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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.