Home / 13,261.10-19,865.00-6,135.35

Finding the Fourth Proportional to 13,261.10, 19,865.00 and 6,135.35

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Solution

The fourth proportional to 13,261.10, 19,865.00 and 6,135.35 is: 9,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.10 : 19,865.00 = 6,135.35 : x
  2. Step 2: Convert to fraction form
    13,261.10/19,865.00 = 6,135.35/x
  3. Step 3: Cross multiply
    13,261.10x = 19,865.00 × 6,135.35
  4. Step 4: Simplify right side
    13,261.10x = 121,878,597.75
  5. Step 5: Solve for x
    x = 121,878,597.75/13,261.10
  6. Step 6: Final answer
    x = 9,190.69

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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.