Home / 20,070.84-30,095.20-6,912.36

Finding the Fourth Proportional to 20,070.84, 30,095.20 and 6,912.36

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Solution

The fourth proportional to 20,070.84, 30,095.20 and 6,912.36 is: 10,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.84 : 30,095.20 = 6,912.36 : x
  2. Step 2: Convert to fraction form
    20,070.84/30,095.20 = 6,912.36/x
  3. Step 3: Cross multiply
    20,070.84x = 30,095.20 × 6,912.36
  4. Step 4: Simplify right side
    20,070.84x = 208,028,856.67
  5. Step 5: Solve for x
    x = 208,028,856.67/20,070.84
  6. Step 6: Final answer
    x = 10,364.73

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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.