Home / 13,529.46-20,276.63-5,514.89

Finding the Fourth Proportional to 13,529.46, 20,276.63 and 5,514.89

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Solution

The fourth proportional to 13,529.46, 20,276.63 and 5,514.89 is: 8,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.46 : 20,276.63 = 5,514.89 : x
  2. Step 2: Convert to fraction form
    13,529.46/20,276.63 = 5,514.89/x
  3. Step 3: Cross multiply
    13,529.46x = 20,276.63 × 5,514.89
  4. Step 4: Simplify right side
    13,529.46x = 111,823,275.74
  5. Step 5: Solve for x
    x = 111,823,275.74/13,529.46
  6. Step 6: Final answer
    x = 8,265.17

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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.