Home / 17,790.58-26,686.35-4,642.66

Finding the Fourth Proportional to 17,790.58, 26,686.35 and 4,642.66

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Solution

The fourth proportional to 17,790.58, 26,686.35 and 4,642.66 is: 6,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.58 : 26,686.35 = 4,642.66 : x
  2. Step 2: Convert to fraction form
    17,790.58/26,686.35 = 4,642.66/x
  3. Step 3: Cross multiply
    17,790.58x = 26,686.35 × 4,642.66
  4. Step 4: Simplify right side
    17,790.58x = 123,895,649.69
  5. Step 5: Solve for x
    x = 123,895,649.69/17,790.58
  6. Step 6: Final answer
    x = 6,964.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.