Home / 14,502.78-21,790.62-9,240.14

Finding the Fourth Proportional to 14,502.78, 21,790.62 and 9,240.14

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Solution

The fourth proportional to 14,502.78, 21,790.62 and 9,240.14 is: 13,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.78 : 21,790.62 = 9,240.14 : x
  2. Step 2: Convert to fraction form
    14,502.78/21,790.62 = 9,240.14/x
  3. Step 3: Cross multiply
    14,502.78x = 21,790.62 × 9,240.14
  4. Step 4: Simplify right side
    14,502.78x = 201,348,379.49
  5. Step 5: Solve for x
    x = 201,348,379.49/14,502.78
  6. Step 6: Final answer
    x = 13,883.43

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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.