Home / 12,619.62-17,415.08-7,317.52

Finding the Fourth Proportional to 12,619.62, 17,415.08 and 7,317.52

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Solution

The fourth proportional to 12,619.62, 17,415.08 and 7,317.52 is: 10,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.62 : 17,415.08 = 7,317.52 : x
  2. Step 2: Convert to fraction form
    12,619.62/17,415.08 = 7,317.52/x
  3. Step 3: Cross multiply
    12,619.62x = 17,415.08 × 7,317.52
  4. Step 4: Simplify right side
    12,619.62x = 127,435,196.20
  5. Step 5: Solve for x
    x = 127,435,196.20/12,619.62
  6. Step 6: Final answer
    x = 10,098.18

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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.