Home / 20,088.71-30,135.06-7,441.85

Finding the Fourth Proportional to 20,088.71, 30,135.06 and 7,441.85

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Solution

The fourth proportional to 20,088.71, 30,135.06 and 7,441.85 is: 11,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.71 : 30,135.06 = 7,441.85 : x
  2. Step 2: Convert to fraction form
    20,088.71/30,135.06 = 7,441.85/x
  3. Step 3: Cross multiply
    20,088.71x = 30,135.06 × 7,441.85
  4. Step 4: Simplify right side
    20,088.71x = 224,260,607.77
  5. Step 5: Solve for x
    x = 224,260,607.77/20,088.71
  6. Step 6: Final answer
    x = 11,163.52

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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.