Home / 10,999.32-15,181.27-6,525.56

Finding the Fourth Proportional to 10,999.32, 15,181.27 and 6,525.56

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Solution

The fourth proportional to 10,999.32, 15,181.27 and 6,525.56 is: 9,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.32 : 15,181.27 = 6,525.56 : x
  2. Step 2: Convert to fraction form
    10,999.32/15,181.27 = 6,525.56/x
  3. Step 3: Cross multiply
    10,999.32x = 15,181.27 × 6,525.56
  4. Step 4: Simplify right side
    10,999.32x = 99,066,196.04
  5. Step 5: Solve for x
    x = 99,066,196.04/10,999.32
  6. Step 6: Final answer
    x = 9,006.57

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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.