Home / 10,881.99-15,010.80-6,165.36

Finding the Fourth Proportional to 10,881.99, 15,010.80 and 6,165.36

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Solution

The fourth proportional to 10,881.99, 15,010.80 and 6,165.36 is: 8,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.99 : 15,010.80 = 6,165.36 : x
  2. Step 2: Convert to fraction form
    10,881.99/15,010.80 = 6,165.36/x
  3. Step 3: Cross multiply
    10,881.99x = 15,010.80 × 6,165.36
  4. Step 4: Simplify right side
    10,881.99x = 92,546,985.89
  5. Step 5: Solve for x
    x = 92,546,985.89/10,881.99
  6. Step 6: Final answer
    x = 8,504.60

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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.