Home / 14,902.09-20,564.53-8,187.70

Finding the Fourth Proportional to 14,902.09, 20,564.53 and 8,187.70

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Solution

The fourth proportional to 14,902.09, 20,564.53 and 8,187.70 is: 11,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.09 : 20,564.53 = 8,187.70 : x
  2. Step 2: Convert to fraction form
    14,902.09/20,564.53 = 8,187.70/x
  3. Step 3: Cross multiply
    14,902.09x = 20,564.53 × 8,187.70
  4. Step 4: Simplify right side
    14,902.09x = 168,376,202.28
  5. Step 5: Solve for x
    x = 168,376,202.28/14,902.09
  6. Step 6: Final answer
    x = 11,298.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.