Home / 11,837.10-16,335.09-6,531.78

Finding the Fourth Proportional to 11,837.10, 16,335.09 and 6,531.78

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Solution

The fourth proportional to 11,837.10, 16,335.09 and 6,531.78 is: 9,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.10 : 16,335.09 = 6,531.78 : x
  2. Step 2: Convert to fraction form
    11,837.10/16,335.09 = 6,531.78/x
  3. Step 3: Cross multiply
    11,837.10x = 16,335.09 × 6,531.78
  4. Step 4: Simplify right side
    11,837.10x = 106,697,214.16
  5. Step 5: Solve for x
    x = 106,697,214.16/11,837.10
  6. Step 6: Final answer
    x = 9,013.80

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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.