Home / 9,519.64-13,123.32-6,530.80

Finding the Fourth Proportional to 9,519.64, 13,123.32 and 6,530.80

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Solution

The fourth proportional to 9,519.64, 13,123.32 and 6,530.80 is: 9,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.64 : 13,123.32 = 6,530.80 : x
  2. Step 2: Convert to fraction form
    9,519.64/13,123.32 = 6,530.80/x
  3. Step 3: Cross multiply
    9,519.64x = 13,123.32 × 6,530.80
  4. Step 4: Simplify right side
    9,519.64x = 85,705,778.26
  5. Step 5: Solve for x
    x = 85,705,778.26/9,519.64
  6. Step 6: Final answer
    x = 9,003.05

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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.