Home / 13,789.89-20,695.23-10,101.56

Finding the Fourth Proportional to 13,789.89, 20,695.23 and 10,101.56

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Solution

The fourth proportional to 13,789.89, 20,695.23 and 10,101.56 is: 15,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.89 : 20,695.23 = 10,101.56 : x
  2. Step 2: Convert to fraction form
    13,789.89/20,695.23 = 10,101.56/x
  3. Step 3: Cross multiply
    13,789.89x = 20,695.23 × 10,101.56
  4. Step 4: Simplify right side
    13,789.89x = 209,054,004.08
  5. Step 5: Solve for x
    x = 209,054,004.08/13,789.89
  6. Step 6: Final answer
    x = 15,159.95

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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.