Home / 9,785.76-13,515.26-6,636.48

Finding the Fourth Proportional to 9,785.76, 13,515.26 and 6,636.48

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Solution

The fourth proportional to 9,785.76, 13,515.26 and 6,636.48 is: 9,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.76 : 13,515.26 = 6,636.48 : x
  2. Step 2: Convert to fraction form
    9,785.76/13,515.26 = 6,636.48/x
  3. Step 3: Cross multiply
    9,785.76x = 13,515.26 × 6,636.48
  4. Step 4: Simplify right side
    9,785.76x = 89,693,752.68
  5. Step 5: Solve for x
    x = 89,693,752.68/9,785.76
  6. Step 6: Final answer
    x = 9,165.74

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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.