Home / 13,903.52-20,856.42-4,042.79

Finding the Fourth Proportional to 13,903.52, 20,856.42 and 4,042.79

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Solution

The fourth proportional to 13,903.52, 20,856.42 and 4,042.79 is: 6,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.52 : 20,856.42 = 4,042.79 : x
  2. Step 2: Convert to fraction form
    13,903.52/20,856.42 = 4,042.79/x
  3. Step 3: Cross multiply
    13,903.52x = 20,856.42 × 4,042.79
  4. Step 4: Simplify right side
    13,903.52x = 84,318,006.77
  5. Step 5: Solve for x
    x = 84,318,006.77/13,903.52
  6. Step 6: Final answer
    x = 6,064.51

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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.