Home / 20,263.83-27,964.56-12,710.48

Finding the Fourth Proportional to 20,263.83, 27,964.56 and 12,710.48

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Solution

The fourth proportional to 20,263.83, 27,964.56 and 12,710.48 is: 17,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.83 : 27,964.56 = 12,710.48 : x
  2. Step 2: Convert to fraction form
    20,263.83/27,964.56 = 12,710.48/x
  3. Step 3: Cross multiply
    20,263.83x = 27,964.56 × 12,710.48
  4. Step 4: Simplify right side
    20,263.83x = 355,442,948.81
  5. Step 5: Solve for x
    x = 355,442,948.81/20,263.83
  6. Step 6: Final answer
    x = 17,540.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.