Home / 10,530.73-15,795.93-3,135.23

Finding the Fourth Proportional to 10,530.73, 15,795.93 and 3,135.23

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Solution

The fourth proportional to 10,530.73, 15,795.93 and 3,135.23 is: 4,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.73 : 15,795.93 = 3,135.23 : x
  2. Step 2: Convert to fraction form
    10,530.73/15,795.93 = 3,135.23/x
  3. Step 3: Cross multiply
    10,530.73x = 15,795.93 × 3,135.23
  4. Step 4: Simplify right side
    10,530.73x = 49,523,873.61
  5. Step 5: Solve for x
    x = 49,523,873.61/10,530.73
  6. Step 6: Final answer
    x = 4,702.80

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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.