Home / 10,806.59-14,913.81-6,090.86

Finding the Fourth Proportional to 10,806.59, 14,913.81 and 6,090.86

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Solution

The fourth proportional to 10,806.59, 14,913.81 and 6,090.86 is: 8,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.59 : 14,913.81 = 6,090.86 : x
  2. Step 2: Convert to fraction form
    10,806.59/14,913.81 = 6,090.86/x
  3. Step 3: Cross multiply
    10,806.59x = 14,913.81 × 6,090.86
  4. Step 4: Simplify right side
    10,806.59x = 90,837,854.21
  5. Step 5: Solve for x
    x = 90,837,854.21/10,806.59
  6. Step 6: Final answer
    x = 8,405.79

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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.