Home / 10,686.42-14,744.93-6,207.86

Finding the Fourth Proportional to 10,686.42, 14,744.93 and 6,207.86

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Solution

The fourth proportional to 10,686.42, 14,744.93 and 6,207.86 is: 8,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.42 : 14,744.93 = 6,207.86 : x
  2. Step 2: Convert to fraction form
    10,686.42/14,744.93 = 6,207.86/x
  3. Step 3: Cross multiply
    10,686.42x = 14,744.93 × 6,207.86
  4. Step 4: Simplify right side
    10,686.42x = 91,534,466.97
  5. Step 5: Solve for x
    x = 91,534,466.97/10,686.42
  6. Step 6: Final answer
    x = 8,565.49

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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.