Home / 15,487.20-23,194.08-11,784.96

Finding the Fourth Proportional to 15,487.20, 23,194.08 and 11,784.96

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Solution

The fourth proportional to 15,487.20, 23,194.08 and 11,784.96 is: 17,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.20 : 23,194.08 = 11,784.96 : x
  2. Step 2: Convert to fraction form
    15,487.20/23,194.08 = 11,784.96/x
  3. Step 3: Cross multiply
    15,487.20x = 23,194.08 × 11,784.96
  4. Step 4: Simplify right side
    15,487.20x = 273,341,305.04
  5. Step 5: Solve for x
    x = 273,341,305.04/15,487.20
  6. Step 6: Final answer
    x = 17,649.50

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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.