Home / 10,017.65-13,829.19-6,666.05

Finding the Fourth Proportional to 10,017.65, 13,829.19 and 6,666.05

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Solution

The fourth proportional to 10,017.65, 13,829.19 and 6,666.05 is: 9,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.65 : 13,829.19 = 6,666.05 : x
  2. Step 2: Convert to fraction form
    10,017.65/13,829.19 = 6,666.05/x
  3. Step 3: Cross multiply
    10,017.65x = 13,829.19 × 6,666.05
  4. Step 4: Simplify right side
    10,017.65x = 92,186,072.00
  5. Step 5: Solve for x
    x = 92,186,072.00/10,017.65
  6. Step 6: Final answer
    x = 9,202.37

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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.