Home / 14,306.20-21,410.70-12,556.60

Finding the Fourth Proportional to 14,306.20, 21,410.70 and 12,556.60

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Solution

The fourth proportional to 14,306.20, 21,410.70 and 12,556.60 is: 18,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.20 : 21,410.70 = 12,556.60 : x
  2. Step 2: Convert to fraction form
    14,306.20/21,410.70 = 12,556.60/x
  3. Step 3: Cross multiply
    14,306.20x = 21,410.70 × 12,556.60
  4. Step 4: Simplify right side
    14,306.20x = 268,845,595.62
  5. Step 5: Solve for x
    x = 268,845,595.62/14,306.20
  6. Step 6: Final answer
    x = 18,792.24

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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.