Home / 14,223.38-21,337.09-7,558.13

Finding the Fourth Proportional to 14,223.38, 21,337.09 and 7,558.13

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Solution

The fourth proportional to 14,223.38, 21,337.09 and 7,558.13 is: 11,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.38 : 21,337.09 = 7,558.13 : x
  2. Step 2: Convert to fraction form
    14,223.38/21,337.09 = 7,558.13/x
  3. Step 3: Cross multiply
    14,223.38x = 21,337.09 × 7,558.13
  4. Step 4: Simplify right side
    14,223.38x = 161,268,534.49
  5. Step 5: Solve for x
    x = 161,268,534.49/14,223.38
  6. Step 6: Final answer
    x = 11,338.27

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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.