Home / 14,615.36-20,164.42-8,944.20

Finding the Fourth Proportional to 14,615.36, 20,164.42 and 8,944.20

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Solution

The fourth proportional to 14,615.36, 20,164.42 and 8,944.20 is: 12,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.36 : 20,164.42 = 8,944.20 : x
  2. Step 2: Convert to fraction form
    14,615.36/20,164.42 = 8,944.20/x
  3. Step 3: Cross multiply
    14,615.36x = 20,164.42 × 8,944.20
  4. Step 4: Simplify right side
    14,615.36x = 180,354,605.36
  5. Step 5: Solve for x
    x = 180,354,605.36/14,615.36
  6. Step 6: Final answer
    x = 12,340.07

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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.