Home / 14,328.97-21,478.87-13,268.27

Finding the Fourth Proportional to 14,328.97, 21,478.87 and 13,268.27

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Solution

The fourth proportional to 14,328.97, 21,478.87 and 13,268.27 is: 19,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.97 : 21,478.87 = 13,268.27 : x
  2. Step 2: Convert to fraction form
    14,328.97/21,478.87 = 13,268.27/x
  3. Step 3: Cross multiply
    14,328.97x = 21,478.87 × 13,268.27
  4. Step 4: Simplify right side
    14,328.97x = 284,987,516.74
  5. Step 5: Solve for x
    x = 284,987,516.74/14,328.97
  6. Step 6: Final answer
    x = 19,888.91

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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.