Home / 15,297.22-21,110.07-8,582.84

Finding the Fourth Proportional to 15,297.22, 21,110.07 and 8,582.84

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Solution

The fourth proportional to 15,297.22, 21,110.07 and 8,582.84 is: 11,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.22 : 21,110.07 = 8,582.84 : x
  2. Step 2: Convert to fraction form
    15,297.22/21,110.07 = 8,582.84/x
  3. Step 3: Cross multiply
    15,297.22x = 21,110.07 × 8,582.84
  4. Step 4: Simplify right side
    15,297.22x = 181,184,305.66
  5. Step 5: Solve for x
    x = 181,184,305.66/15,297.22
  6. Step 6: Final answer
    x = 11,844.26

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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.