Home / 9,448.37-13,032.09-8,187.20

Finding the Fourth Proportional to 9,448.37, 13,032.09 and 8,187.20

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Solution

The fourth proportional to 9,448.37, 13,032.09 and 8,187.20 is: 11,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.37 : 13,032.09 = 8,187.20 : x
  2. Step 2: Convert to fraction form
    9,448.37/13,032.09 = 8,187.20/x
  3. Step 3: Cross multiply
    9,448.37x = 13,032.09 × 8,187.20
  4. Step 4: Simplify right side
    9,448.37x = 106,696,347.61
  5. Step 5: Solve for x
    x = 106,696,347.61/9,448.37
  6. Step 6: Final answer
    x = 11,292.56

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Half scale
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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.