Home / 13,011.52-19,520.28-4,246.36

Finding the Fourth Proportional to 13,011.52, 19,520.28 and 4,246.36

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Solution

The fourth proportional to 13,011.52, 19,520.28 and 4,246.36 is: 6,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.52 : 19,520.28 = 4,246.36 : x
  2. Step 2: Convert to fraction form
    13,011.52/19,520.28 = 4,246.36/x
  3. Step 3: Cross multiply
    13,011.52x = 19,520.28 × 4,246.36
  4. Step 4: Simplify right side
    13,011.52x = 82,890,136.18
  5. Step 5: Solve for x
    x = 82,890,136.18/13,011.52
  6. Step 6: Final answer
    x = 6,370.52

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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.