Home / 11,746.08-17,619.12-5,172.30

Finding the Fourth Proportional to 11,746.08, 17,619.12 and 5,172.30

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Solution

The fourth proportional to 11,746.08, 17,619.12 and 5,172.30 is: 7,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.08 : 17,619.12 = 5,172.30 : x
  2. Step 2: Convert to fraction form
    11,746.08/17,619.12 = 5,172.30/x
  3. Step 3: Cross multiply
    11,746.08x = 17,619.12 × 5,172.30
  4. Step 4: Simplify right side
    11,746.08x = 91,131,374.38
  5. Step 5: Solve for x
    x = 91,131,374.38/11,746.08
  6. Step 6: Final answer
    x = 7,758.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.