Home / 13,118.56-19,677.84-4,799.68

Finding the Fourth Proportional to 13,118.56, 19,677.84 and 4,799.68

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Solution

The fourth proportional to 13,118.56, 19,677.84 and 4,799.68 is: 7,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.56 : 19,677.84 = 4,799.68 : x
  2. Step 2: Convert to fraction form
    13,118.56/19,677.84 = 4,799.68/x
  3. Step 3: Cross multiply
    13,118.56x = 19,677.84 × 4,799.68
  4. Step 4: Simplify right side
    13,118.56x = 94,447,335.09
  5. Step 5: Solve for x
    x = 94,447,335.09/13,118.56
  6. Step 6: Final answer
    x = 7,199.52

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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.