Home / 11,235.45-15,508.01-6,521.25

Finding the Fourth Proportional to 11,235.45, 15,508.01 and 6,521.25

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Solution

The fourth proportional to 11,235.45, 15,508.01 and 6,521.25 is: 9,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.45 : 15,508.01 = 6,521.25 : x
  2. Step 2: Convert to fraction form
    11,235.45/15,508.01 = 6,521.25/x
  3. Step 3: Cross multiply
    11,235.45x = 15,508.01 × 6,521.25
  4. Step 4: Simplify right side
    11,235.45x = 101,131,577.61
  5. Step 5: Solve for x
    x = 101,131,577.61/11,235.45
  6. Step 6: Final answer
    x = 9,001.12

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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.