Home / 13,889.39-20,835.92-4,526.13

Finding the Fourth Proportional to 13,889.39, 20,835.92 and 4,526.13

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Solution

The fourth proportional to 13,889.39, 20,835.92 and 4,526.13 is: 6,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.39 : 20,835.92 = 4,526.13 : x
  2. Step 2: Convert to fraction form
    13,889.39/20,835.92 = 4,526.13/x
  3. Step 3: Cross multiply
    13,889.39x = 20,835.92 × 4,526.13
  4. Step 4: Simplify right side
    13,889.39x = 94,306,043.47
  5. Step 5: Solve for x
    x = 94,306,043.47/13,889.39
  6. Step 6: Final answer
    x = 6,789.79

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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.