Home / 10,681.16-16,009.50-4,103.96

Finding the Fourth Proportional to 10,681.16, 16,009.50 and 4,103.96

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Solution

The fourth proportional to 10,681.16, 16,009.50 and 4,103.96 is: 6,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.16 : 16,009.50 = 4,103.96 : x
  2. Step 2: Convert to fraction form
    10,681.16/16,009.50 = 4,103.96/x
  3. Step 3: Cross multiply
    10,681.16x = 16,009.50 × 4,103.96
  4. Step 4: Simplify right side
    10,681.16x = 65,702,347.62
  5. Step 5: Solve for x
    x = 65,702,347.62/10,681.16
  6. Step 6: Final answer
    x = 6,151.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.