Home / 14,640.36-20,203.76-8,352.60

Finding the Fourth Proportional to 14,640.36, 20,203.76 and 8,352.60

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Solution

The fourth proportional to 14,640.36, 20,203.76 and 8,352.60 is: 11,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.36 : 20,203.76 = 8,352.60 : x
  2. Step 2: Convert to fraction form
    14,640.36/20,203.76 = 8,352.60/x
  3. Step 3: Cross multiply
    14,640.36x = 20,203.76 × 8,352.60
  4. Step 4: Simplify right side
    14,640.36x = 168,753,925.78
  5. Step 5: Solve for x
    x = 168,753,925.78/14,640.36
  6. Step 6: Final answer
    x = 11,526.62

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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.