Home / 17,618.90-26,428.23-4,291.74

Finding the Fourth Proportional to 17,618.90, 26,428.23 and 4,291.74

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Solution

The fourth proportional to 17,618.90, 26,428.23 and 4,291.74 is: 6,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.90 : 26,428.23 = 4,291.74 : x
  2. Step 2: Convert to fraction form
    17,618.90/26,428.23 = 4,291.74/x
  3. Step 3: Cross multiply
    17,618.90x = 26,428.23 × 4,291.74
  4. Step 4: Simplify right side
    17,618.90x = 113,423,091.82
  5. Step 5: Solve for x
    x = 113,423,091.82/17,618.90
  6. Step 6: Final answer
    x = 6,437.58

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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.