Home / 20,108.04-30,162.05-6,953.23

Finding the Fourth Proportional to 20,108.04, 30,162.05 and 6,953.23

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Solution

The fourth proportional to 20,108.04, 30,162.05 and 6,953.23 is: 10,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.04 : 30,162.05 = 6,953.23 : x
  2. Step 2: Convert to fraction form
    20,108.04/30,162.05 = 6,953.23/x
  3. Step 3: Cross multiply
    20,108.04x = 30,162.05 × 6,953.23
  4. Step 4: Simplify right side
    20,108.04x = 209,723,670.92
  5. Step 5: Solve for x
    x = 209,723,670.92/20,108.04
  6. Step 6: Final answer
    x = 10,429.84

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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.