Home / 10,433.71-15,639.63-4,882.38

Finding the Fourth Proportional to 10,433.71, 15,639.63 and 4,882.38

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Solution

The fourth proportional to 10,433.71, 15,639.63 and 4,882.38 is: 7,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.71 : 15,639.63 = 4,882.38 : x
  2. Step 2: Convert to fraction form
    10,433.71/15,639.63 = 4,882.38/x
  3. Step 3: Cross multiply
    10,433.71x = 15,639.63 × 4,882.38
  4. Step 4: Simplify right side
    10,433.71x = 76,358,616.72
  5. Step 5: Solve for x
    x = 76,358,616.72/10,433.71
  6. Step 6: Final answer
    x = 7,318.45

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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.