Home / 17,775.55-26,646.85-6,689.59

Finding the Fourth Proportional to 17,775.55, 26,646.85 and 6,689.59

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Solution

The fourth proportional to 17,775.55, 26,646.85 and 6,689.59 is: 10,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.55 : 26,646.85 = 6,689.59 : x
  2. Step 2: Convert to fraction form
    17,775.55/26,646.85 = 6,689.59/x
  3. Step 3: Cross multiply
    17,775.55x = 26,646.85 × 6,689.59
  4. Step 4: Simplify right side
    17,775.55x = 178,256,417.95
  5. Step 5: Solve for x
    x = 178,256,417.95/17,775.55
  6. Step 6: Final answer
    x = 10,028.18

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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.