Home / 11,088.48-15,185.58-10,942.68

Finding the Fourth Proportional to 11,088.48, 15,185.58 and 10,942.68

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Solution

The fourth proportional to 11,088.48, 15,185.58 and 10,942.68 is: 14,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.48 : 15,185.58 = 10,942.68 : x
  2. Step 2: Convert to fraction form
    11,088.48/15,185.58 = 10,942.68/x
  3. Step 3: Cross multiply
    11,088.48x = 15,185.58 × 10,942.68
  4. Step 4: Simplify right side
    11,088.48x = 166,170,942.55
  5. Step 5: Solve for x
    x = 166,170,942.55/11,088.48
  6. Step 6: Final answer
    x = 14,985.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.