Home / 14,784.39-20,402.28-8,496.90

Finding the Fourth Proportional to 14,784.39, 20,402.28 and 8,496.90

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Solution

The fourth proportional to 14,784.39, 20,402.28 and 8,496.90 is: 11,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.39 : 20,402.28 = 8,496.90 : x
  2. Step 2: Convert to fraction form
    14,784.39/20,402.28 = 8,496.90/x
  3. Step 3: Cross multiply
    14,784.39x = 20,402.28 × 8,496.90
  4. Step 4: Simplify right side
    14,784.39x = 173,356,132.93
  5. Step 5: Solve for x
    x = 173,356,132.93/14,784.39
  6. Step 6: Final answer
    x = 11,725.62

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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.