Home / 15,314.21-22,971.78-4,221.08

Finding the Fourth Proportional to 15,314.21, 22,971.78 and 4,221.08

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Solution

The fourth proportional to 15,314.21, 22,971.78 and 4,221.08 is: 6,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.21 : 22,971.78 = 4,221.08 : x
  2. Step 2: Convert to fraction form
    15,314.21/22,971.78 = 4,221.08/x
  3. Step 3: Cross multiply
    15,314.21x = 22,971.78 × 4,221.08
  4. Step 4: Simplify right side
    15,314.21x = 96,965,721.12
  5. Step 5: Solve for x
    x = 96,965,721.12/15,314.21
  6. Step 6: Final answer
    x = 6,331.75

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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.