Home / 20,373.33-30,553.79-14,088.62

Finding the Fourth Proportional to 20,373.33, 30,553.79 and 14,088.62

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Solution

The fourth proportional to 20,373.33, 30,553.79 and 14,088.62 is: 21,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.33 : 30,553.79 = 14,088.62 : x
  2. Step 2: Convert to fraction form
    20,373.33/30,553.79 = 14,088.62/x
  3. Step 3: Cross multiply
    20,373.33x = 30,553.79 × 14,088.62
  4. Step 4: Simplify right side
    20,373.33x = 430,460,742.81
  5. Step 5: Solve for x
    x = 430,460,742.81/20,373.33
  6. Step 6: Final answer
    x = 21,128.64

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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.