Home / 15,079.09-22,620.18-5,218.35

Finding the Fourth Proportional to 15,079.09, 22,620.18 and 5,218.35

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Solution

The fourth proportional to 15,079.09, 22,620.18 and 5,218.35 is: 7,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.09 : 22,620.18 = 5,218.35 : x
  2. Step 2: Convert to fraction form
    15,079.09/22,620.18 = 5,218.35/x
  3. Step 3: Cross multiply
    15,079.09x = 22,620.18 × 5,218.35
  4. Step 4: Simplify right side
    15,079.09x = 118,040,029.35
  5. Step 5: Solve for x
    x = 118,040,029.35/15,079.09
  6. Step 6: Final answer
    x = 7,828.06

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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.