Home / 13,023.28-19,530.60-5,623.12

Finding the Fourth Proportional to 13,023.28, 19,530.60 and 5,623.12

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Solution

The fourth proportional to 13,023.28, 19,530.60 and 5,623.12 is: 8,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.28 : 19,530.60 = 5,623.12 : x
  2. Step 2: Convert to fraction form
    13,023.28/19,530.60 = 5,623.12/x
  3. Step 3: Cross multiply
    13,023.28x = 19,530.60 × 5,623.12
  4. Step 4: Simplify right side
    13,023.28x = 109,822,907.47
  5. Step 5: Solve for x
    x = 109,822,907.47/13,023.28
  6. Step 6: Final answer
    x = 8,432.81

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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.