Home / 10,453.40-15,684.95-3,881.87

Finding the Fourth Proportional to 10,453.40, 15,684.95 and 3,881.87

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Solution

The fourth proportional to 10,453.40, 15,684.95 and 3,881.87 is: 5,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.40 : 15,684.95 = 3,881.87 : x
  2. Step 2: Convert to fraction form
    10,453.40/15,684.95 = 3,881.87/x
  3. Step 3: Cross multiply
    10,453.40x = 15,684.95 × 3,881.87
  4. Step 4: Simplify right side
    10,453.40x = 60,886,868.14
  5. Step 5: Solve for x
    x = 60,886,868.14/10,453.40
  6. Step 6: Final answer
    x = 5,824.60

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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.