Home / 20,160.05-30,228.93-9,632.70

Finding the Fourth Proportional to 20,160.05, 30,228.93 and 9,632.70

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Solution

The fourth proportional to 20,160.05, 30,228.93 and 9,632.70 is: 14,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.05 : 30,228.93 = 9,632.70 : x
  2. Step 2: Convert to fraction form
    20,160.05/30,228.93 = 9,632.70/x
  3. Step 3: Cross multiply
    20,160.05x = 30,228.93 × 9,632.70
  4. Step 4: Simplify right side
    20,160.05x = 291,186,214.01
  5. Step 5: Solve for x
    x = 291,186,214.01/20,160.05
  6. Step 6: Final answer
    x = 14,443.73

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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.