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Finding the Fourth Proportional to 19,600.77, 29,402.79 and 6,275.71

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Solution

The fourth proportional to 19,600.77, 29,402.79 and 6,275.71 is: 9,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.77 : 29,402.79 = 6,275.71 : x
  2. Step 2: Convert to fraction form
    19,600.77/29,402.79 = 6,275.71/x
  3. Step 3: Cross multiply
    19,600.77x = 29,402.79 × 6,275.71
  4. Step 4: Simplify right side
    19,600.77x = 184,523,204.84
  5. Step 5: Solve for x
    x = 184,523,204.84/19,600.77
  6. Step 6: Final answer
    x = 9,414.08

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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.