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Finding the Fourth Proportional to 17,258.67, 25,866.95 and 7,377.08

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Solution

The fourth proportional to 17,258.67, 25,866.95 and 7,377.08 is: 11,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,258.67 : 25,866.95 = 7,377.08 : x
  2. Step 2: Convert to fraction form
    17,258.67/25,866.95 = 7,377.08/x
  3. Step 3: Cross multiply
    17,258.67x = 25,866.95 × 7,377.08
  4. Step 4: Simplify right side
    17,258.67x = 190,822,393.29
  5. Step 5: Solve for x
    x = 190,822,393.29/17,258.67
  6. Step 6: Final answer
    x = 11,056.61

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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.