Home / 14,419.47-21,627.42-3,890.35

Finding the Fourth Proportional to 14,419.47, 21,627.42 and 3,890.35

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Solution

The fourth proportional to 14,419.47, 21,627.42 and 3,890.35 is: 5,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.47 : 21,627.42 = 3,890.35 : x
  2. Step 2: Convert to fraction form
    14,419.47/21,627.42 = 3,890.35/x
  3. Step 3: Cross multiply
    14,419.47x = 21,627.42 × 3,890.35
  4. Step 4: Simplify right side
    14,419.47x = 84,138,233.40
  5. Step 5: Solve for x
    x = 84,138,233.40/14,419.47
  6. Step 6: Final answer
    x = 5,835.04

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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.