Home / 9,518.87-13,136.04-5,327.12

Finding the Fourth Proportional to 9,518.87, 13,136.04 and 5,327.12

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Solution

The fourth proportional to 9,518.87, 13,136.04 and 5,327.12 is: 7,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.87 : 13,136.04 = 5,327.12 : x
  2. Step 2: Convert to fraction form
    9,518.87/13,136.04 = 5,327.12/x
  3. Step 3: Cross multiply
    9,518.87x = 13,136.04 × 5,327.12
  4. Step 4: Simplify right side
    9,518.87x = 69,977,261.40
  5. Step 5: Solve for x
    x = 69,977,261.40/9,518.87
  6. Step 6: Final answer
    x = 7,351.43

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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.