Home / 20,141.18-30,210.42-6,101.60

Finding the Fourth Proportional to 20,141.18, 30,210.42 and 6,101.60

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Solution

The fourth proportional to 20,141.18, 30,210.42 and 6,101.60 is: 9,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.18 : 30,210.42 = 6,101.60 : x
  2. Step 2: Convert to fraction form
    20,141.18/30,210.42 = 6,101.60/x
  3. Step 3: Cross multiply
    20,141.18x = 30,210.42 × 6,101.60
  4. Step 4: Simplify right side
    20,141.18x = 184,331,898.67
  5. Step 5: Solve for x
    x = 184,331,898.67/20,141.18
  6. Step 6: Final answer
    x = 9,151.99

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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.