Home / 9,902.06-13,664.63-5,425.71

Finding the Fourth Proportional to 9,902.06, 13,664.63 and 5,425.71

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Solution

The fourth proportional to 9,902.06, 13,664.63 and 5,425.71 is: 7,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.06 : 13,664.63 = 5,425.71 : x
  2. Step 2: Convert to fraction form
    9,902.06/13,664.63 = 5,425.71/x
  3. Step 3: Cross multiply
    9,902.06x = 13,664.63 × 5,425.71
  4. Step 4: Simplify right side
    9,902.06x = 74,140,326.67
  5. Step 5: Solve for x
    x = 74,140,326.67/9,902.06
  6. Step 6: Final answer
    x = 7,487.37

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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.