Home / 14,789.28-20,427.48-10,749.81

Finding the Fourth Proportional to 14,789.28, 20,427.48 and 10,749.81

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Solution

The fourth proportional to 14,789.28, 20,427.48 and 10,749.81 is: 14,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.28 : 20,427.48 = 10,749.81 : x
  2. Step 2: Convert to fraction form
    14,789.28/20,427.48 = 10,749.81/x
  3. Step 3: Cross multiply
    14,789.28x = 20,427.48 × 10,749.81
  4. Step 4: Simplify right side
    14,789.28x = 219,591,528.78
  5. Step 5: Solve for x
    x = 219,591,528.78/14,789.28
  6. Step 6: Final answer
    x = 14,848.02

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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.