Home / 15,217.32-21,026.72-11,710.82

Finding the Fourth Proportional to 15,217.32, 21,026.72 and 11,710.82

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Solution

The fourth proportional to 15,217.32, 21,026.72 and 11,710.82 is: 16,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.32 : 21,026.72 = 11,710.82 : x
  2. Step 2: Convert to fraction form
    15,217.32/21,026.72 = 11,710.82/x
  3. Step 3: Cross multiply
    15,217.32x = 21,026.72 × 11,710.82
  4. Step 4: Simplify right side
    15,217.32x = 246,240,133.11
  5. Step 5: Solve for x
    x = 246,240,133.11/15,217.32
  6. Step 6: Final answer
    x = 16,181.57

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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.