Home / 13,213.41-19,820.15-4,454.48

Finding the Fourth Proportional to 13,213.41, 19,820.15 and 4,454.48

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Solution

The fourth proportional to 13,213.41, 19,820.15 and 4,454.48 is: 6,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.41 : 19,820.15 = 4,454.48 : x
  2. Step 2: Convert to fraction form
    13,213.41/19,820.15 = 4,454.48/x
  3. Step 3: Cross multiply
    13,213.41x = 19,820.15 × 4,454.48
  4. Step 4: Simplify right side
    13,213.41x = 88,288,340.40
  5. Step 5: Solve for x
    x = 88,288,340.40/13,213.41
  6. Step 6: Final answer
    x = 6,681.72

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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.