Home / 14,135.10-21,202.65-9,214.35

Finding the Fourth Proportional to 14,135.10, 21,202.65 and 9,214.35

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Solution

The fourth proportional to 14,135.10, 21,202.65 and 9,214.35 is: 13,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.10 : 21,202.65 = 9,214.35 : x
  2. Step 2: Convert to fraction form
    14,135.10/21,202.65 = 9,214.35/x
  3. Step 3: Cross multiply
    14,135.10x = 21,202.65 × 9,214.35
  4. Step 4: Simplify right side
    14,135.10x = 195,368,638.03
  5. Step 5: Solve for x
    x = 195,368,638.03/14,135.10
  6. Step 6: Final answer
    x = 13,821.53

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Similar ratio
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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.