Home / 10,360.48-15,540.82-8,293.62

Finding the Fourth Proportional to 10,360.48, 15,540.82 and 8,293.62

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Solution

The fourth proportional to 10,360.48, 15,540.82 and 8,293.62 is: 12,440.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.48 : 15,540.82 = 8,293.62 : x
  2. Step 2: Convert to fraction form
    10,360.48/15,540.82 = 8,293.62/x
  3. Step 3: Cross multiply
    10,360.48x = 15,540.82 × 8,293.62
  4. Step 4: Simplify right side
    10,360.48x = 128,889,637.45
  5. Step 5: Solve for x
    x = 128,889,637.45/10,360.48
  6. Step 6: Final answer
    x = 12,440.51

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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.