Home / 15,910.08-21,956.58-8,837.16

Finding the Fourth Proportional to 15,910.08, 21,956.58 and 8,837.16

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Solution

The fourth proportional to 15,910.08, 21,956.58 and 8,837.16 is: 12,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.08 : 21,956.58 = 8,837.16 : x
  2. Step 2: Convert to fraction form
    15,910.08/21,956.58 = 8,837.16/x
  3. Step 3: Cross multiply
    15,910.08x = 21,956.58 × 8,837.16
  4. Step 4: Simplify right side
    15,910.08x = 194,033,810.51
  5. Step 5: Solve for x
    x = 194,033,810.51/15,910.08
  6. Step 6: Final answer
    x = 12,195.65

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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.