Home / 19,748.66-29,622.96-7,907.76

Finding the Fourth Proportional to 19,748.66, 29,622.96 and 7,907.76

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Solution

The fourth proportional to 19,748.66, 29,622.96 and 7,907.76 is: 11,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.66 : 29,622.96 = 7,907.76 : x
  2. Step 2: Convert to fraction form
    19,748.66/29,622.96 = 7,907.76/x
  3. Step 3: Cross multiply
    19,748.66x = 29,622.96 × 7,907.76
  4. Step 4: Simplify right side
    19,748.66x = 234,251,258.17
  5. Step 5: Solve for x
    x = 234,251,258.17/19,748.66
  6. Step 6: Final answer
    x = 11,861.63

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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.