Home / 9,539.62-13,165.44-5,291.10

Finding the Fourth Proportional to 9,539.62, 13,165.44 and 5,291.10

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Solution

The fourth proportional to 9,539.62, 13,165.44 and 5,291.10 is: 7,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.62 : 13,165.44 = 5,291.10 : x
  2. Step 2: Convert to fraction form
    9,539.62/13,165.44 = 5,291.10/x
  3. Step 3: Cross multiply
    9,539.62x = 13,165.44 × 5,291.10
  4. Step 4: Simplify right side
    9,539.62x = 69,659,659.58
  5. Step 5: Solve for x
    x = 69,659,659.58/9,539.62
  6. Step 6: Final answer
    x = 7,302.14

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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.