Home / 20,411.88-30,624.45-10,016.34

Finding the Fourth Proportional to 20,411.88, 30,624.45 and 10,016.34

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Solution

The fourth proportional to 20,411.88, 30,624.45 and 10,016.34 is: 15,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.88 : 30,624.45 = 10,016.34 : x
  2. Step 2: Convert to fraction form
    20,411.88/30,624.45 = 10,016.34/x
  3. Step 3: Cross multiply
    20,411.88x = 30,624.45 × 10,016.34
  4. Step 4: Simplify right side
    20,411.88x = 306,744,903.51
  5. Step 5: Solve for x
    x = 306,744,903.51/20,411.88
  6. Step 6: Final answer
    x = 15,027.76

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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.