Home / 20,154.24-30,231.63-7,006.86

Finding the Fourth Proportional to 20,154.24, 30,231.63 and 7,006.86

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Solution

The fourth proportional to 20,154.24, 30,231.63 and 7,006.86 is: 10,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.24 : 30,231.63 = 7,006.86 : x
  2. Step 2: Convert to fraction form
    20,154.24/30,231.63 = 7,006.86/x
  3. Step 3: Cross multiply
    20,154.24x = 30,231.63 × 7,006.86
  4. Step 4: Simplify right side
    20,154.24x = 211,828,798.98
  5. Step 5: Solve for x
    x = 211,828,798.98/20,154.24
  6. Step 6: Final answer
    x = 10,510.38

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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.