Home / 10,512.39-14,509.20-6,039.21

Finding the Fourth Proportional to 10,512.39, 14,509.20 and 6,039.21

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Solution

The fourth proportional to 10,512.39, 14,509.20 and 6,039.21 is: 8,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.39 : 14,509.20 = 6,039.21 : x
  2. Step 2: Convert to fraction form
    10,512.39/14,509.20 = 6,039.21/x
  3. Step 3: Cross multiply
    10,512.39x = 14,509.20 × 6,039.21
  4. Step 4: Simplify right side
    10,512.39x = 87,624,105.73
  5. Step 5: Solve for x
    x = 87,624,105.73/10,512.39
  6. Step 6: Final answer
    x = 8,335.32

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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.