Home / 13,023.12-19,537.20-4,255.68

Finding the Fourth Proportional to 13,023.12, 19,537.20 and 4,255.68

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Solution

The fourth proportional to 13,023.12, 19,537.20 and 4,255.68 is: 6,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.12 : 19,537.20 = 4,255.68 : x
  2. Step 2: Convert to fraction form
    13,023.12/19,537.20 = 4,255.68/x
  3. Step 3: Cross multiply
    13,023.12x = 19,537.20 × 4,255.68
  4. Step 4: Simplify right side
    13,023.12x = 83,144,071.30
  5. Step 5: Solve for x
    x = 83,144,071.30/13,023.12
  6. Step 6: Final answer
    x = 6,384.34

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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.