Home / 15,236.29-21,026.91-8,521.93

Finding the Fourth Proportional to 15,236.29, 21,026.91 and 8,521.93

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Solution

The fourth proportional to 15,236.29, 21,026.91 and 8,521.93 is: 11,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.29 : 21,026.91 = 8,521.93 : x
  2. Step 2: Convert to fraction form
    15,236.29/21,026.91 = 8,521.93/x
  3. Step 3: Cross multiply
    15,236.29x = 21,026.91 × 8,521.93
  4. Step 4: Simplify right side
    15,236.29x = 179,189,855.14
  5. Step 5: Solve for x
    x = 179,189,855.14/15,236.29
  6. Step 6: Final answer
    x = 11,760.73

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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.