Home / 17,779.18-26,668.43-5,307.66

Finding the Fourth Proportional to 17,779.18, 26,668.43 and 5,307.66

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Solution

The fourth proportional to 17,779.18, 26,668.43 and 5,307.66 is: 7,961.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.18 : 26,668.43 = 5,307.66 : x
  2. Step 2: Convert to fraction form
    17,779.18/26,668.43 = 5,307.66/x
  3. Step 3: Cross multiply
    17,779.18x = 26,668.43 × 5,307.66
  4. Step 4: Simplify right side
    17,779.18x = 141,546,825.83
  5. Step 5: Solve for x
    x = 141,546,825.83/17,779.18
  6. Step 6: Final answer
    x = 7,961.38

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1.5x scale

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.