Home / 11,403.37-17,105.06-9,109.45

Finding the Fourth Proportional to 11,403.37, 17,105.06 and 9,109.45

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Solution

The fourth proportional to 11,403.37, 17,105.06 and 9,109.45 is: 13,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.37 : 17,105.06 = 9,109.45 : x
  2. Step 2: Convert to fraction form
    11,403.37/17,105.06 = 9,109.45/x
  3. Step 3: Cross multiply
    11,403.37x = 17,105.06 × 9,109.45
  4. Step 4: Simplify right side
    11,403.37x = 155,817,688.82
  5. Step 5: Solve for x
    x = 155,817,688.82/11,403.37
  6. Step 6: Final answer
    x = 13,664.18

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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.