Home / 9,558.60-13,195.34-6,377.20

Finding the Fourth Proportional to 9,558.60, 13,195.34 and 6,377.20

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Solution

The fourth proportional to 9,558.60, 13,195.34 and 6,377.20 is: 8,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.60 : 13,195.34 = 6,377.20 : x
  2. Step 2: Convert to fraction form
    9,558.60/13,195.34 = 6,377.20/x
  3. Step 3: Cross multiply
    9,558.60x = 13,195.34 × 6,377.20
  4. Step 4: Simplify right side
    9,558.60x = 84,149,322.25
  5. Step 5: Solve for x
    x = 84,149,322.25/9,558.60
  6. Step 6: Final answer
    x = 8,803.52

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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.