Home / 17,618.72-26,428.18-4,471.12

Finding the Fourth Proportional to 17,618.72, 26,428.18 and 4,471.12

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Solution

The fourth proportional to 17,618.72, 26,428.18 and 4,471.12 is: 6,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.72 : 26,428.18 = 4,471.12 : x
  2. Step 2: Convert to fraction form
    17,618.72/26,428.18 = 4,471.12/x
  3. Step 3: Cross multiply
    17,618.72x = 26,428.18 × 4,471.12
  4. Step 4: Simplify right side
    17,618.72x = 118,163,564.16
  5. Step 5: Solve for x
    x = 118,163,564.16/17,618.72
  6. Step 6: Final answer
    x = 6,706.71

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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.