Home / 13,353.24-20,023.58-7,808.28

Finding the Fourth Proportional to 13,353.24, 20,023.58 and 7,808.28

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Solution

The fourth proportional to 13,353.24, 20,023.58 and 7,808.28 is: 11,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.24 : 20,023.58 = 7,808.28 : x
  2. Step 2: Convert to fraction form
    13,353.24/20,023.58 = 7,808.28/x
  3. Step 3: Cross multiply
    13,353.24x = 20,023.58 × 7,808.28
  4. Step 4: Simplify right side
    13,353.24x = 156,349,680.20
  5. Step 5: Solve for x
    x = 156,349,680.20/13,353.24
  6. Step 6: Final answer
    x = 11,708.74

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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.