Home / 10,999.68-16,496.28-8,537.28

Finding the Fourth Proportional to 10,999.68, 16,496.28 and 8,537.28

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Solution

The fourth proportional to 10,999.68, 16,496.28 and 8,537.28 is: 12,803.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.68 : 16,496.28 = 8,537.28 : x
  2. Step 2: Convert to fraction form
    10,999.68/16,496.28 = 8,537.28/x
  3. Step 3: Cross multiply
    10,999.68x = 16,496.28 × 8,537.28
  4. Step 4: Simplify right side
    10,999.68x = 140,833,361.32
  5. Step 5: Solve for x
    x = 140,833,361.32/10,999.68
  6. Step 6: Final answer
    x = 12,803.41

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1.5x scale

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.