Home / 16,154.03-22,293.09-9,781.81

Finding the Fourth Proportional to 16,154.03, 22,293.09 and 9,781.81

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Solution

The fourth proportional to 16,154.03, 22,293.09 and 9,781.81 is: 13,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,154.03 : 22,293.09 = 9,781.81 : x
  2. Step 2: Convert to fraction form
    16,154.03/22,293.09 = 9,781.81/x
  3. Step 3: Cross multiply
    16,154.03x = 22,293.09 × 9,781.81
  4. Step 4: Simplify right side
    16,154.03x = 218,066,799.09
  5. Step 5: Solve for x
    x = 218,066,799.09/16,154.03
  6. Step 6: Final answer
    x = 13,499.22

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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.