Home / 10,869.08-15,000.73-6,090.86

Finding the Fourth Proportional to 10,869.08, 15,000.73 and 6,090.86

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Solution

The fourth proportional to 10,869.08, 15,000.73 and 6,090.86 is: 8,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.08 : 15,000.73 = 6,090.86 : x
  2. Step 2: Convert to fraction form
    10,869.08/15,000.73 = 6,090.86/x
  3. Step 3: Cross multiply
    10,869.08x = 15,000.73 × 6,090.86
  4. Step 4: Simplify right side
    10,869.08x = 91,367,368.60
  5. Step 5: Solve for x
    x = 91,367,368.60/10,869.08
  6. Step 6: Final answer
    x = 8,406.18

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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.