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Finding the Fourth Proportional to 10,010.08, 13,801.08 and 6,860.80

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Solution

The fourth proportional to 10,010.08, 13,801.08 and 6,860.80 is: 9,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.08 : 13,801.08 = 6,860.80 : x
  2. Step 2: Convert to fraction form
    10,010.08/13,801.08 = 6,860.80/x
  3. Step 3: Cross multiply
    10,010.08x = 13,801.08 × 6,860.80
  4. Step 4: Simplify right side
    10,010.08x = 94,686,449.66
  5. Step 5: Solve for x
    x = 94,686,449.66/10,010.08
  6. Step 6: Final answer
    x = 9,459.11

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1.5x scale

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.