Home / 11,745.90-17,602.36-5,491.08

Finding the Fourth Proportional to 11,745.90, 17,602.36 and 5,491.08

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Solution

The fourth proportional to 11,745.90, 17,602.36 and 5,491.08 is: 8,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.90 : 17,602.36 = 5,491.08 : x
  2. Step 2: Convert to fraction form
    11,745.90/17,602.36 = 5,491.08/x
  3. Step 3: Cross multiply
    11,745.90x = 17,602.36 × 5,491.08
  4. Step 4: Simplify right side
    11,745.90x = 96,655,966.95
  5. Step 5: Solve for x
    x = 96,655,966.95/11,745.90
  6. Step 6: Final answer
    x = 8,228.91

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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.