Home / 9,521.03-13,135.99-6,166.42

Finding the Fourth Proportional to 9,521.03, 13,135.99 and 6,166.42

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Solution

The fourth proportional to 9,521.03, 13,135.99 and 6,166.42 is: 8,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.03 : 13,135.99 = 6,166.42 : x
  2. Step 2: Convert to fraction form
    9,521.03/13,135.99 = 6,166.42/x
  3. Step 3: Cross multiply
    9,521.03x = 13,135.99 × 6,166.42
  4. Step 4: Simplify right side
    9,521.03x = 81,002,031.46
  5. Step 5: Solve for x
    x = 81,002,031.46/9,521.03
  6. Step 6: Final answer
    x = 8,507.70

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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.