Home / 10,451.73-15,679.12-4,905.63

Finding the Fourth Proportional to 10,451.73, 15,679.12 and 4,905.63

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Solution

The fourth proportional to 10,451.73, 15,679.12 and 4,905.63 is: 7,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.73 : 15,679.12 = 4,905.63 : x
  2. Step 2: Convert to fraction form
    10,451.73/15,679.12 = 4,905.63/x
  3. Step 3: Cross multiply
    10,451.73x = 15,679.12 × 4,905.63
  4. Step 4: Simplify right side
    10,451.73x = 76,915,988.38
  5. Step 5: Solve for x
    x = 76,915,988.38/10,451.73
  6. Step 6: Final answer
    x = 7,359.17

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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.