Home / 10,207.07-15,283.87-6,686.00

Finding the Fourth Proportional to 10,207.07, 15,283.87 and 6,686.00

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Solution

The fourth proportional to 10,207.07, 15,283.87 and 6,686.00 is: 10,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.07 : 15,283.87 = 6,686.00 : x
  2. Step 2: Convert to fraction form
    10,207.07/15,283.87 = 6,686.00/x
  3. Step 3: Cross multiply
    10,207.07x = 15,283.87 × 6,686.00
  4. Step 4: Simplify right side
    10,207.07x = 102,187,932.88
  5. Step 5: Solve for x
    x = 102,187,932.88/10,207.07
  6. Step 6: Final answer
    x = 10,011.49

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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.