Home / 13,023.64-19,535.46-8,649.64

Finding the Fourth Proportional to 13,023.64, 19,535.46 and 8,649.64

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Solution

The fourth proportional to 13,023.64, 19,535.46 and 8,649.64 is: 12,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.64 : 19,535.46 = 8,649.64 : x
  2. Step 2: Convert to fraction form
    13,023.64/19,535.46 = 8,649.64/x
  3. Step 3: Cross multiply
    13,023.64x = 19,535.46 × 8,649.64
  4. Step 4: Simplify right side
    13,023.64x = 168,974,696.23
  5. Step 5: Solve for x
    x = 168,974,696.23/13,023.64
  6. Step 6: Final answer
    x = 12,974.46

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.