Home / 14,784.21-20,402.19-11,010.60

Finding the Fourth Proportional to 14,784.21, 20,402.19 and 11,010.60

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Solution

The fourth proportional to 14,784.21, 20,402.19 and 11,010.60 is: 15,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.21 : 20,402.19 = 11,010.60 : x
  2. Step 2: Convert to fraction form
    14,784.21/20,402.19 = 11,010.60/x
  3. Step 3: Cross multiply
    14,784.21x = 20,402.19 × 11,010.60
  4. Step 4: Simplify right side
    14,784.21x = 224,640,353.21
  5. Step 5: Solve for x
    x = 224,640,353.21/14,784.21
  6. Step 6: Final answer
    x = 15,194.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.