Home / 9,902.09-13,664.65-5,594.78

Finding the Fourth Proportional to 9,902.09, 13,664.65 and 5,594.78

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Solution

The fourth proportional to 9,902.09, 13,664.65 and 5,594.78 is: 7,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,902.09 : 13,664.65 = 5,594.78 : x
  2. Step 2: Convert to fraction form
    9,902.09/13,664.65 = 5,594.78/x
  3. Step 3: Cross multiply
    9,902.09x = 13,664.65 × 5,594.78
  4. Step 4: Simplify right side
    9,902.09x = 76,450,710.53
  5. Step 5: Solve for x
    x = 76,450,710.53/9,902.09
  6. Step 6: Final answer
    x = 7,720.66

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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.