Home / 17,776.55-26,648.35-6,690.59

Finding the Fourth Proportional to 17,776.55, 26,648.35 and 6,690.59

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Solution

The fourth proportional to 17,776.55, 26,648.35 and 6,690.59 is: 10,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.55 : 26,648.35 = 6,690.59 : x
  2. Step 2: Convert to fraction form
    17,776.55/26,648.35 = 6,690.59/x
  3. Step 3: Cross multiply
    17,776.55x = 26,648.35 × 6,690.59
  4. Step 4: Simplify right side
    17,776.55x = 178,293,184.03
  5. Step 5: Solve for x
    x = 178,293,184.03/17,776.55
  6. Step 6: Final answer
    x = 10,029.68

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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.