Home / 13,293.20-19,939.80-4,059.20

Finding the Fourth Proportional to 13,293.20, 19,939.80 and 4,059.20

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Solution

The fourth proportional to 13,293.20, 19,939.80 and 4,059.20 is: 6,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.20 : 19,939.80 = 4,059.20 : x
  2. Step 2: Convert to fraction form
    13,293.20/19,939.80 = 4,059.20/x
  3. Step 3: Cross multiply
    13,293.20x = 19,939.80 × 4,059.20
  4. Step 4: Simplify right side
    13,293.20x = 80,939,536.46
  5. Step 5: Solve for x
    x = 80,939,536.46/13,293.20
  6. Step 6: Final answer
    x = 6,088.79

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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.