Home / 13,302.82-18,357.60-7,253.11

Finding the Fourth Proportional to 13,302.82, 18,357.60 and 7,253.11

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Solution

The fourth proportional to 13,302.82, 18,357.60 and 7,253.11 is: 10,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.82 : 18,357.60 = 7,253.11 : x
  2. Step 2: Convert to fraction form
    13,302.82/18,357.60 = 7,253.11/x
  3. Step 3: Cross multiply
    13,302.82x = 18,357.60 × 7,253.11
  4. Step 4: Simplify right side
    13,302.82x = 133,149,692.14
  5. Step 5: Solve for x
    x = 133,149,692.14/13,302.82
  6. Step 6: Final answer
    x = 10,009.13

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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.