Home / 15,111.66-22,665.69-4,019.16

Finding the Fourth Proportional to 15,111.66, 22,665.69 and 4,019.16

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Solution

The fourth proportional to 15,111.66, 22,665.69 and 4,019.16 is: 6,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.66 : 22,665.69 = 4,019.16 : x
  2. Step 2: Convert to fraction form
    15,111.66/22,665.69 = 4,019.16/x
  3. Step 3: Cross multiply
    15,111.66x = 22,665.69 × 4,019.16
  4. Step 4: Simplify right side
    15,111.66x = 91,097,034.62
  5. Step 5: Solve for x
    x = 91,097,034.62/15,111.66
  6. Step 6: Final answer
    x = 6,028.26

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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.