Home / 11,302.20-15,603.30-7,530.48

Finding the Fourth Proportional to 11,302.20, 15,603.30 and 7,530.48

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Solution

The fourth proportional to 11,302.20, 15,603.30 and 7,530.48 is: 10,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.20 : 15,603.30 = 7,530.48 : x
  2. Step 2: Convert to fraction form
    11,302.20/15,603.30 = 7,530.48/x
  3. Step 3: Cross multiply
    11,302.20x = 15,603.30 × 7,530.48
  4. Step 4: Simplify right side
    11,302.20x = 117,500,338.58
  5. Step 5: Solve for x
    x = 117,500,338.58/11,302.20
  6. Step 6: Final answer
    x = 10,396.24

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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.