Home / 14,659.68-20,228.16-8,370.72

Finding the Fourth Proportional to 14,659.68, 20,228.16 and 8,370.72

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Solution

The fourth proportional to 14,659.68, 20,228.16 and 8,370.72 is: 11,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.68 : 20,228.16 = 8,370.72 : x
  2. Step 2: Convert to fraction form
    14,659.68/20,228.16 = 8,370.72/x
  3. Step 3: Cross multiply
    14,659.68x = 20,228.16 × 8,370.72
  4. Step 4: Simplify right side
    14,659.68x = 169,324,263.48
  5. Step 5: Solve for x
    x = 169,324,263.48/14,659.68
  6. Step 6: Final answer
    x = 11,550.34

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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.