Home / 10,011.97-13,816.68-5,820.22

Finding the Fourth Proportional to 10,011.97, 13,816.68 and 5,820.22

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Solution

The fourth proportional to 10,011.97, 13,816.68 and 5,820.22 is: 8,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.97 : 13,816.68 = 5,820.22 : x
  2. Step 2: Convert to fraction form
    10,011.97/13,816.68 = 5,820.22/x
  3. Step 3: Cross multiply
    10,011.97x = 13,816.68 × 5,820.22
  4. Step 4: Simplify right side
    10,011.97x = 80,416,048.19
  5. Step 5: Solve for x
    x = 80,416,048.19/10,011.97
  6. Step 6: Final answer
    x = 8,031.99

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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.