Home / 15,346.20-23,019.30-14,179.80

Finding the Fourth Proportional to 15,346.20, 23,019.30 and 14,179.80

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Solution

The fourth proportional to 15,346.20, 23,019.30 and 14,179.80 is: 21,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.20 : 23,019.30 = 14,179.80 : x
  2. Step 2: Convert to fraction form
    15,346.20/23,019.30 = 14,179.80/x
  3. Step 3: Cross multiply
    15,346.20x = 23,019.30 × 14,179.80
  4. Step 4: Simplify right side
    15,346.20x = 326,409,070.14
  5. Step 5: Solve for x
    x = 326,409,070.14/15,346.20
  6. Step 6: Final answer
    x = 21,269.70

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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.