Home / 14,212.40-21,194.26-13,436

Finding the Fourth Proportional to 14,212.40, 21,194.26 and 13,436

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Solution

The fourth proportional to 14,212.40, 21,194.26 and 13,436 is: 20,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.40 : 21,194.26 = 13,436 : x
  2. Step 2: Convert to fraction form
    14,212.40/21,194.26 = 13,436/x
  3. Step 3: Cross multiply
    14,212.40x = 21,194.26 × 13,436
  4. Step 4: Simplify right side
    14,212.40x = 284,766,077.36
  5. Step 5: Solve for x
    x = 284,766,077.36/14,212.40
  6. Step 6: Final answer
    x = 20,036.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.