Home / 13,023.18-19,537.20-4,255.74

Finding the Fourth Proportional to 13,023.18, 19,537.20 and 4,255.74

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Solution

The fourth proportional to 13,023.18, 19,537.20 and 4,255.74 is: 6,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.18 : 19,537.20 = 4,255.74 : x
  2. Step 2: Convert to fraction form
    13,023.18/19,537.20 = 4,255.74/x
  3. Step 3: Cross multiply
    13,023.18x = 19,537.20 × 4,255.74
  4. Step 4: Simplify right side
    13,023.18x = 83,145,243.53
  5. Step 5: Solve for x
    x = 83,145,243.53/13,023.18
  6. Step 6: Final answer
    x = 6,384.40

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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.