Home / 10,124.32-13,972.92-6,145.48

Finding the Fourth Proportional to 10,124.32, 13,972.92 and 6,145.48

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Solution

The fourth proportional to 10,124.32, 13,972.92 and 6,145.48 is: 8,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.32 : 13,972.92 = 6,145.48 : x
  2. Step 2: Convert to fraction form
    10,124.32/13,972.92 = 6,145.48/x
  3. Step 3: Cross multiply
    10,124.32x = 13,972.92 × 6,145.48
  4. Step 4: Simplify right side
    10,124.32x = 85,870,300.40
  5. Step 5: Solve for x
    x = 85,870,300.40/10,124.32
  6. Step 6: Final answer
    x = 8,481.59

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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.