Home / 11,387.52-17,083.60-6,459.36

Finding the Fourth Proportional to 11,387.52, 17,083.60 and 6,459.36

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Solution

The fourth proportional to 11,387.52, 17,083.60 and 6,459.36 is: 9,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.52 : 17,083.60 = 6,459.36 : x
  2. Step 2: Convert to fraction form
    11,387.52/17,083.60 = 6,459.36/x
  3. Step 3: Cross multiply
    11,387.52x = 17,083.60 × 6,459.36
  4. Step 4: Simplify right side
    11,387.52x = 110,349,122.50
  5. Step 5: Solve for x
    x = 110,349,122.50/11,387.52
  6. Step 6: Final answer
    x = 9,690.36

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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.