Home / 14,269.60-21,404.40-13,232.80

Finding the Fourth Proportional to 14,269.60, 21,404.40 and 13,232.80

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Solution

The fourth proportional to 14,269.60, 21,404.40 and 13,232.80 is: 19,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.60 : 21,404.40 = 13,232.80 : x
  2. Step 2: Convert to fraction form
    14,269.60/21,404.40 = 13,232.80/x
  3. Step 3: Cross multiply
    14,269.60x = 21,404.40 × 13,232.80
  4. Step 4: Simplify right side
    14,269.60x = 283,240,144.32
  5. Step 5: Solve for x
    x = 283,240,144.32/14,269.60
  6. Step 6: Final answer
    x = 19,849.20

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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.