Home / 13,244.05-19,866.08-4,479.64

Finding the Fourth Proportional to 13,244.05, 19,866.08 and 4,479.64

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Solution

The fourth proportional to 13,244.05, 19,866.08 and 4,479.64 is: 6,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.05 : 19,866.08 = 4,479.64 : x
  2. Step 2: Convert to fraction form
    13,244.05/19,866.08 = 4,479.64/x
  3. Step 3: Cross multiply
    13,244.05x = 19,866.08 × 4,479.64
  4. Step 4: Simplify right side
    13,244.05x = 88,992,886.61
  5. Step 5: Solve for x
    x = 88,992,886.61/13,244.05
  6. Step 6: Final answer
    x = 6,719.46

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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.