Home / 13,910.74-20,869.20-4,050.79

Finding the Fourth Proportional to 13,910.74, 20,869.20 and 4,050.79

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Solution

The fourth proportional to 13,910.74, 20,869.20 and 4,050.79 is: 6,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.74 : 20,869.20 = 4,050.79 : x
  2. Step 2: Convert to fraction form
    13,910.74/20,869.20 = 4,050.79/x
  3. Step 3: Cross multiply
    13,910.74x = 20,869.20 × 4,050.79
  4. Step 4: Simplify right side
    13,910.74x = 84,536,746.67
  5. Step 5: Solve for x
    x = 84,536,746.67/13,910.74
  6. Step 6: Final answer
    x = 6,077.08

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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.