Home / 11,387.52-17,087.36-8,293.32

Finding the Fourth Proportional to 11,387.52, 17,087.36 and 8,293.32

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Solution

The fourth proportional to 11,387.52, 17,087.36 and 8,293.32 is: 12,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.52 : 17,087.36 = 8,293.32 : x
  2. Step 2: Convert to fraction form
    11,387.52/17,087.36 = 8,293.32/x
  3. Step 3: Cross multiply
    11,387.52x = 17,087.36 × 8,293.32
  4. Step 4: Simplify right side
    11,387.52x = 141,710,902.97
  5. Step 5: Solve for x
    x = 141,710,902.97/11,387.52
  6. Step 6: Final answer
    x = 12,444.40

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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.