Home / 10,502.28-14,493.08-5,786.57

Finding the Fourth Proportional to 10,502.28, 14,493.08 and 5,786.57

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Solution

The fourth proportional to 10,502.28, 14,493.08 and 5,786.57 is: 7,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.28 : 14,493.08 = 5,786.57 : x
  2. Step 2: Convert to fraction form
    10,502.28/14,493.08 = 5,786.57/x
  3. Step 3: Cross multiply
    10,502.28x = 14,493.08 × 5,786.57
  4. Step 4: Simplify right side
    10,502.28x = 83,865,272.63
  5. Step 5: Solve for x
    x = 83,865,272.63/10,502.28
  6. Step 6: Final answer
    x = 7,985.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.