Home / 14,452.86-21,643.91-11,938.66

Finding the Fourth Proportional to 14,452.86, 21,643.91 and 11,938.66

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Solution

The fourth proportional to 14,452.86, 21,643.91 and 11,938.66 is: 17,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.86 : 21,643.91 = 11,938.66 : x
  2. Step 2: Convert to fraction form
    14,452.86/21,643.91 = 11,938.66/x
  3. Step 3: Cross multiply
    14,452.86x = 21,643.91 × 11,938.66
  4. Step 4: Simplify right side
    14,452.86x = 258,399,301.70
  5. Step 5: Solve for x
    x = 258,399,301.70/14,452.86
  6. Step 6: Final answer
    x = 17,878.77

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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.