Home / 14,253.60-21,380.40-3,865.35

Finding the Fourth Proportional to 14,253.60, 21,380.40 and 3,865.35

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Solution

The fourth proportional to 14,253.60, 21,380.40 and 3,865.35 is: 5,798.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.60 : 21,380.40 = 3,865.35 : x
  2. Step 2: Convert to fraction form
    14,253.60/21,380.40 = 3,865.35/x
  3. Step 3: Cross multiply
    14,253.60x = 21,380.40 × 3,865.35
  4. Step 4: Simplify right side
    14,253.60x = 82,642,729.14
  5. Step 5: Solve for x
    x = 82,642,729.14/14,253.60
  6. Step 6: Final answer
    x = 5,798.03

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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.