Home / 14,133.60-21,200.40-13,914.90

Finding the Fourth Proportional to 14,133.60, 21,200.40 and 13,914.90

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Solution

The fourth proportional to 14,133.60, 21,200.40 and 13,914.90 is: 20,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.60 : 21,200.40 = 13,914.90 : x
  2. Step 2: Convert to fraction form
    14,133.60/21,200.40 = 13,914.90/x
  3. Step 3: Cross multiply
    14,133.60x = 21,200.40 × 13,914.90
  4. Step 4: Simplify right side
    14,133.60x = 295,001,445.96
  5. Step 5: Solve for x
    x = 295,001,445.96/14,133.60
  6. Step 6: Final answer
    x = 20,872.35

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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.