Home / 8,686.18-11,973.04-6,163.03

Finding the Fourth Proportional to 8,686.18, 11,973.04 and 6,163.03

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Solution

The fourth proportional to 8,686.18, 11,973.04 and 6,163.03 is: 8,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.18 : 11,973.04 = 6,163.03 : x
  2. Step 2: Convert to fraction form
    8,686.18/11,973.04 = 6,163.03/x
  3. Step 3: Cross multiply
    8,686.18x = 11,973.04 × 6,163.03
  4. Step 4: Simplify right side
    8,686.18x = 73,790,204.71
  5. Step 5: Solve for x
    x = 73,790,204.71/8,686.18
  6. Step 6: Final answer
    x = 8,495.13

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1.5x scale

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.