Home / 15,950.06-22,010.91-8,779.82

Finding the Fourth Proportional to 15,950.06, 22,010.91 and 8,779.82

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Solution

The fourth proportional to 15,950.06, 22,010.91 and 8,779.82 is: 12,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.06 : 22,010.91 = 8,779.82 : x
  2. Step 2: Convert to fraction form
    15,950.06/22,010.91 = 8,779.82/x
  3. Step 3: Cross multiply
    15,950.06x = 22,010.91 × 8,779.82
  4. Step 4: Simplify right side
    15,950.06x = 193,251,717.78
  5. Step 5: Solve for x
    x = 193,251,717.78/15,950.06
  6. Step 6: Final answer
    x = 12,116.05

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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.