Home / 10,530.48-15,795.72-3,135.05

Finding the Fourth Proportional to 10,530.48, 15,795.72 and 3,135.05

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Solution

The fourth proportional to 10,530.48, 15,795.72 and 3,135.05 is: 4,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.48 : 15,795.72 = 3,135.05 : x
  2. Step 2: Convert to fraction form
    10,530.48/15,795.72 = 3,135.05/x
  3. Step 3: Cross multiply
    10,530.48x = 15,795.72 × 3,135.05
  4. Step 4: Simplify right side
    10,530.48x = 49,520,293.01
  5. Step 5: Solve for x
    x = 49,520,293.01/10,530.48
  6. Step 6: Final answer
    x = 4,702.57

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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.