Home / 20,091.89-30,088.62-14,154.18

Finding the Fourth Proportional to 20,091.89, 30,088.62 and 14,154.18

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Solution

The fourth proportional to 20,091.89, 30,088.62 and 14,154.18 is: 21,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.89 : 30,088.62 = 14,154.18 : x
  2. Step 2: Convert to fraction form
    20,091.89/30,088.62 = 14,154.18/x
  3. Step 3: Cross multiply
    20,091.89x = 30,088.62 × 14,154.18
  4. Step 4: Simplify right side
    20,091.89x = 425,879,743.43
  5. Step 5: Solve for x
    x = 425,879,743.43/20,091.89
  6. Step 6: Final answer
    x = 21,196.60

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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.