Home / 20,011.74-30,019.13-5,970.66

Finding the Fourth Proportional to 20,011.74, 30,019.13 and 5,970.66

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Solution

The fourth proportional to 20,011.74, 30,019.13 and 5,970.66 is: 8,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.74 : 30,019.13 = 5,970.66 : x
  2. Step 2: Convert to fraction form
    20,011.74/30,019.13 = 5,970.66/x
  3. Step 3: Cross multiply
    20,011.74x = 30,019.13 × 5,970.66
  4. Step 4: Simplify right side
    20,011.74x = 179,233,988.87
  5. Step 5: Solve for x
    x = 179,233,988.87/20,011.74
  6. Step 6: Final answer
    x = 8,956.44

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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.