Home / 11,192.47-16,855.34-9,749.05

Finding the Fourth Proportional to 11,192.47, 16,855.34 and 9,749.05

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Solution

The fourth proportional to 11,192.47, 16,855.34 and 9,749.05 is: 14,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.47 : 16,855.34 = 9,749.05 : x
  2. Step 2: Convert to fraction form
    11,192.47/16,855.34 = 9,749.05/x
  3. Step 3: Cross multiply
    11,192.47x = 16,855.34 × 9,749.05
  4. Step 4: Simplify right side
    11,192.47x = 164,323,503.68
  5. Step 5: Solve for x
    x = 164,323,503.68/11,192.47
  6. Step 6: Final answer
    x = 14,681.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.