Home / 9,835.92-13,558.20-6,686.64

Finding the Fourth Proportional to 9,835.92, 13,558.20 and 6,686.64

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Solution

The fourth proportional to 9,835.92, 13,558.20 and 6,686.64 is: 9,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.92 : 13,558.20 = 6,686.64 : x
  2. Step 2: Convert to fraction form
    9,835.92/13,558.20 = 6,686.64/x
  3. Step 3: Cross multiply
    9,835.92x = 13,558.20 × 6,686.64
  4. Step 4: Simplify right side
    9,835.92x = 90,658,802.45
  5. Step 5: Solve for x
    x = 90,658,802.45/9,835.92
  6. Step 6: Final answer
    x = 9,217.11

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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.