Home / 14,114.29-21,299.53-13,643.75

Finding the Fourth Proportional to 14,114.29, 21,299.53 and 13,643.75

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Solution

The fourth proportional to 14,114.29, 21,299.53 and 13,643.75 is: 20,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.29 : 21,299.53 = 13,643.75 : x
  2. Step 2: Convert to fraction form
    14,114.29/21,299.53 = 13,643.75/x
  3. Step 3: Cross multiply
    14,114.29x = 21,299.53 × 13,643.75
  4. Step 4: Simplify right side
    14,114.29x = 290,605,397.53
  5. Step 5: Solve for x
    x = 290,605,397.53/14,114.29
  6. Step 6: Final answer
    x = 20,589.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.