Home / 9,106.20-13,661.25-5,159.33

Finding the Fourth Proportional to 9,106.20, 13,661.25 and 5,159.33

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Solution

The fourth proportional to 9,106.20, 13,661.25 and 5,159.33 is: 7,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.20 : 13,661.25 = 5,159.33 : x
  2. Step 2: Convert to fraction form
    9,106.20/13,661.25 = 5,159.33/x
  3. Step 3: Cross multiply
    9,106.20x = 13,661.25 × 5,159.33
  4. Step 4: Simplify right side
    9,106.20x = 70,482,896.96
  5. Step 5: Solve for x
    x = 70,482,896.96/9,106.20
  6. Step 6: Final answer
    x = 7,740.10

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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.