Home / 18,223.12-27,343.32-10,842.16

Finding the Fourth Proportional to 18,223.12, 27,343.32 and 10,842.16

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Solution

The fourth proportional to 18,223.12, 27,343.32 and 10,842.16 is: 16,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.12 : 27,343.32 = 10,842.16 : x
  2. Step 2: Convert to fraction form
    18,223.12/27,343.32 = 10,842.16/x
  3. Step 3: Cross multiply
    18,223.12x = 27,343.32 × 10,842.16
  4. Step 4: Simplify right side
    18,223.12x = 296,460,650.37
  5. Step 5: Solve for x
    x = 296,460,650.37/18,223.12
  6. Step 6: Final answer
    x = 16,268.38

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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.