Home / 15,823.32-21,836.22-9,536.91

Finding the Fourth Proportional to 15,823.32, 21,836.22 and 9,536.91

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Solution

The fourth proportional to 15,823.32, 21,836.22 and 9,536.91 is: 13,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.32 : 21,836.22 = 9,536.91 : x
  2. Step 2: Convert to fraction form
    15,823.32/21,836.22 = 9,536.91/x
  3. Step 3: Cross multiply
    15,823.32x = 21,836.22 × 9,536.91
  4. Step 4: Simplify right side
    15,823.32x = 208,250,064.88
  5. Step 5: Solve for x
    x = 208,250,064.88/15,823.32
  6. Step 6: Final answer
    x = 13,160.96

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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.