Home / 10,630.05-15,938.24-5,083.28

Finding the Fourth Proportional to 10,630.05, 15,938.24 and 5,083.28

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Solution

The fourth proportional to 10,630.05, 15,938.24 and 5,083.28 is: 7,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.05 : 15,938.24 = 5,083.28 : x
  2. Step 2: Convert to fraction form
    10,630.05/15,938.24 = 5,083.28/x
  3. Step 3: Cross multiply
    10,630.05x = 15,938.24 × 5,083.28
  4. Step 4: Simplify right side
    10,630.05x = 81,018,431.52
  5. Step 5: Solve for x
    x = 81,018,431.52/10,630.05
  6. Step 6: Final answer
    x = 7,621.64

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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.