Home / 10,686.42-14,743.08-6,209.37

Finding the Fourth Proportional to 10,686.42, 14,743.08 and 6,209.37

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Solution

The fourth proportional to 10,686.42, 14,743.08 and 6,209.37 is: 8,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.42 : 14,743.08 = 6,209.37 : x
  2. Step 2: Convert to fraction form
    10,686.42/14,743.08 = 6,209.37/x
  3. Step 3: Cross multiply
    10,686.42x = 14,743.08 × 6,209.37
  4. Step 4: Simplify right side
    10,686.42x = 91,545,238.66
  5. Step 5: Solve for x
    x = 91,545,238.66/10,686.42
  6. Step 6: Final answer
    x = 8,566.50

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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.