Home / 13,860.35-20,801.45-6,461.00

Finding the Fourth Proportional to 13,860.35, 20,801.45 and 6,461.00

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Solution

The fourth proportional to 13,860.35, 20,801.45 and 6,461.00 is: 9,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.35 : 20,801.45 = 6,461.00 : x
  2. Step 2: Convert to fraction form
    13,860.35/20,801.45 = 6,461.00/x
  3. Step 3: Cross multiply
    13,860.35x = 20,801.45 × 6,461.00
  4. Step 4: Simplify right side
    13,860.35x = 134,398,064.44
  5. Step 5: Solve for x
    x = 134,398,064.44/13,860.35
  6. Step 6: Final answer
    x = 9,696.59

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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.