Home / 9,518.80-13,135.84-5,327.04

Finding the Fourth Proportional to 9,518.80, 13,135.84 and 5,327.04

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Solution

The fourth proportional to 9,518.80, 13,135.84 and 5,327.04 is: 7,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.80 : 13,135.84 = 5,327.04 : x
  2. Step 2: Convert to fraction form
    9,518.80/13,135.84 = 5,327.04/x
  3. Step 3: Cross multiply
    9,518.80x = 13,135.84 × 5,327.04
  4. Step 4: Simplify right side
    9,518.80x = 69,975,145.11
  5. Step 5: Solve for x
    x = 69,975,145.11/9,518.80
  6. Step 6: Final answer
    x = 7,351.26

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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.