Home / 13,215.23-19,822.85-4,449.41

Finding the Fourth Proportional to 13,215.23, 19,822.85 and 4,449.41

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Solution

The fourth proportional to 13,215.23, 19,822.85 and 4,449.41 is: 6,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.23 : 19,822.85 = 4,449.41 : x
  2. Step 2: Convert to fraction form
    13,215.23/19,822.85 = 4,449.41/x
  3. Step 3: Cross multiply
    13,215.23x = 19,822.85 × 4,449.41
  4. Step 4: Simplify right side
    13,215.23x = 88,199,987.02
  5. Step 5: Solve for x
    x = 88,199,987.02/13,215.23
  6. Step 6: Final answer
    x = 6,674.12

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Similar ratio
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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.