Home / 9,904.23-13,669.02-6,129.90

Finding the Fourth Proportional to 9,904.23, 13,669.02 and 6,129.90

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Solution

The fourth proportional to 9,904.23, 13,669.02 and 6,129.90 is: 8,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.23 : 13,669.02 = 6,129.90 : x
  2. Step 2: Convert to fraction form
    9,904.23/13,669.02 = 6,129.90/x
  3. Step 3: Cross multiply
    9,904.23x = 13,669.02 × 6,129.90
  4. Step 4: Simplify right side
    9,904.23x = 83,789,725.70
  5. Step 5: Solve for x
    x = 83,789,725.70/9,904.23
  6. Step 6: Final answer
    x = 8,459.99

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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.