Home / 10,172.84-15,251.43-4,905.14

Finding the Fourth Proportional to 10,172.84, 15,251.43 and 4,905.14

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Solution

The fourth proportional to 10,172.84, 15,251.43 and 4,905.14 is: 7,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.84 : 15,251.43 = 4,905.14 : x
  2. Step 2: Convert to fraction form
    10,172.84/15,251.43 = 4,905.14/x
  3. Step 3: Cross multiply
    10,172.84x = 15,251.43 × 4,905.14
  4. Step 4: Simplify right side
    10,172.84x = 74,810,399.35
  5. Step 5: Solve for x
    x = 74,810,399.35/10,172.84
  6. Step 6: Final answer
    x = 7,353.93

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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.