Home / 9,910.09-13,680.29-6,937.59

Finding the Fourth Proportional to 9,910.09, 13,680.29 and 6,937.59

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Solution

The fourth proportional to 9,910.09, 13,680.29 and 6,937.59 is: 9,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.09 : 13,680.29 = 6,937.59 : x
  2. Step 2: Convert to fraction form
    9,910.09/13,680.29 = 6,937.59/x
  3. Step 3: Cross multiply
    9,910.09x = 13,680.29 × 6,937.59
  4. Step 4: Simplify right side
    9,910.09x = 94,908,243.10
  5. Step 5: Solve for x
    x = 94,908,243.10/9,910.09
  6. Step 6: Final answer
    x = 9,576.93

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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.