Home / 10,530.81-15,796.17-4,289.43

Finding the Fourth Proportional to 10,530.81, 15,796.17 and 4,289.43

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Solution

The fourth proportional to 10,530.81, 15,796.17 and 4,289.43 is: 6,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.81 : 15,796.17 = 4,289.43 : x
  2. Step 2: Convert to fraction form
    10,530.81/15,796.17 = 4,289.43/x
  3. Step 3: Cross multiply
    10,530.81x = 15,796.17 × 4,289.43
  4. Step 4: Simplify right side
    10,530.81x = 67,756,565.48
  5. Step 5: Solve for x
    x = 67,756,565.48/10,530.81
  6. Step 6: Final answer
    x = 6,434.13

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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.