Home / 9,175.09-13,720.59-6,836.72

Finding the Fourth Proportional to 9,175.09, 13,720.59 and 6,836.72

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Solution

The fourth proportional to 9,175.09, 13,720.59 and 6,836.72 is: 10,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.09 : 13,720.59 = 6,836.72 : x
  2. Step 2: Convert to fraction form
    9,175.09/13,720.59 = 6,836.72/x
  3. Step 3: Cross multiply
    9,175.09x = 13,720.59 × 6,836.72
  4. Step 4: Simplify right side
    9,175.09x = 93,803,832.06
  5. Step 5: Solve for x
    x = 93,803,832.06/9,175.09
  6. Step 6: Final answer
    x = 10,223.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.