Home / 9,508.90-13,122.64-5,317.14

Finding the Fourth Proportional to 9,508.90, 13,122.64 and 5,317.14

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Solution

The fourth proportional to 9,508.90, 13,122.64 and 5,317.14 is: 7,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.90 : 13,122.64 = 5,317.14 : x
  2. Step 2: Convert to fraction form
    9,508.90/13,122.64 = 5,317.14/x
  3. Step 3: Cross multiply
    9,508.90x = 13,122.64 × 5,317.14
  4. Step 4: Simplify right side
    9,508.90x = 69,774,914.05
  5. Step 5: Solve for x
    x = 69,774,914.05/9,508.90
  6. Step 6: Final answer
    x = 7,337.85

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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.