Home / 12,511.95-17,265.60-7,476.59

Finding the Fourth Proportional to 12,511.95, 17,265.60 and 7,476.59

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Solution

The fourth proportional to 12,511.95, 17,265.60 and 7,476.59 is: 10,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.95 : 17,265.60 = 7,476.59 : x
  2. Step 2: Convert to fraction form
    12,511.95/17,265.60 = 7,476.59/x
  3. Step 3: Cross multiply
    12,511.95x = 17,265.60 × 7,476.59
  4. Step 4: Simplify right side
    12,511.95x = 129,087,725.98
  5. Step 5: Solve for x
    x = 129,087,725.98/12,511.95
  6. Step 6: Final answer
    x = 10,317.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.