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Finding the Fourth Proportional to 17,873.51, 26,808.95 and 7,340.67

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Solution

The fourth proportional to 17,873.51, 26,808.95 and 7,340.67 is: 11,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.51 : 26,808.95 = 7,340.67 : x
  2. Step 2: Convert to fraction form
    17,873.51/26,808.95 = 7,340.67/x
  3. Step 3: Cross multiply
    17,873.51x = 26,808.95 × 7,340.67
  4. Step 4: Simplify right side
    17,873.51x = 196,795,618.29
  5. Step 5: Solve for x
    x = 196,795,618.29/17,873.51
  6. Step 6: Final answer
    x = 11,010.47

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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.