Home / 10,530.19-15,793.80-3,134.35

Finding the Fourth Proportional to 10,530.19, 15,793.80 and 3,134.35

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Solution

The fourth proportional to 10,530.19, 15,793.80 and 3,134.35 is: 4,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.19 : 15,793.80 = 3,134.35 : x
  2. Step 2: Convert to fraction form
    10,530.19/15,793.80 = 3,134.35/x
  3. Step 3: Cross multiply
    10,530.19x = 15,793.80 × 3,134.35
  4. Step 4: Simplify right side
    10,530.19x = 49,503,297.03
  5. Step 5: Solve for x
    x = 49,503,297.03/10,530.19
  6. Step 6: Final answer
    x = 4,701.08

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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.