Home / 11,302.08-15,591.33-9,807.90

Finding the Fourth Proportional to 11,302.08, 15,591.33 and 9,807.90

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Solution

The fourth proportional to 11,302.08, 15,591.33 and 9,807.90 is: 13,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.08 : 15,591.33 = 9,807.90 : x
  2. Step 2: Convert to fraction form
    11,302.08/15,591.33 = 9,807.90/x
  3. Step 3: Cross multiply
    11,302.08x = 15,591.33 × 9,807.90
  4. Step 4: Simplify right side
    11,302.08x = 152,918,205.51
  5. Step 5: Solve for x
    x = 152,918,205.51/11,302.08
  6. Step 6: Final answer
    x = 13,530.09

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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.