Home / 19,645.20-29,463.57-6,494.58

Finding the Fourth Proportional to 19,645.20, 29,463.57 and 6,494.58

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Solution

The fourth proportional to 19,645.20, 29,463.57 and 6,494.58 is: 9,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.20 : 29,463.57 = 6,494.58 : x
  2. Step 2: Convert to fraction form
    19,645.20/29,463.57 = 6,494.58/x
  3. Step 3: Cross multiply
    19,645.20x = 29,463.57 × 6,494.58
  4. Step 4: Simplify right side
    19,645.20x = 191,353,512.45
  5. Step 5: Solve for x
    x = 191,353,512.45/19,645.20
  6. Step 6: Final answer
    x = 9,740.47

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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.