Home / 13,011.64-19,520.57-4,246.57

Finding the Fourth Proportional to 13,011.64, 19,520.57 and 4,246.57

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Solution

The fourth proportional to 13,011.64, 19,520.57 and 4,246.57 is: 6,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.64 : 19,520.57 = 4,246.57 : x
  2. Step 2: Convert to fraction form
    13,011.64/19,520.57 = 4,246.57/x
  3. Step 3: Cross multiply
    13,011.64x = 19,520.57 × 4,246.57
  4. Step 4: Simplify right side
    13,011.64x = 82,895,466.94
  5. Step 5: Solve for x
    x = 82,895,466.94/13,011.64
  6. Step 6: Final answer
    x = 6,370.87

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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.