Home / 10,531.51-15,797.07-3,140.98

Finding the Fourth Proportional to 10,531.51, 15,797.07 and 3,140.98

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Solution

The fourth proportional to 10,531.51, 15,797.07 and 3,140.98 is: 4,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.51 : 15,797.07 = 3,140.98 : x
  2. Step 2: Convert to fraction form
    10,531.51/15,797.07 = 3,140.98/x
  3. Step 3: Cross multiply
    10,531.51x = 15,797.07 × 3,140.98
  4. Step 4: Simplify right side
    10,531.51x = 49,618,280.93
  5. Step 5: Solve for x
    x = 49,618,280.93/10,531.51
  6. Step 6: Final answer
    x = 4,711.41

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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.