Home / 13,012.90-19,518.74-4,246.68

Finding the Fourth Proportional to 13,012.90, 19,518.74 and 4,246.68

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Solution

The fourth proportional to 13,012.90, 19,518.74 and 4,246.68 is: 6,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.90 : 19,518.74 = 4,246.68 : x
  2. Step 2: Convert to fraction form
    13,012.90/19,518.74 = 4,246.68/x
  3. Step 3: Cross multiply
    13,012.90x = 19,518.74 × 4,246.68
  4. Step 4: Simplify right side
    13,012.90x = 82,889,842.78
  5. Step 5: Solve for x
    x = 82,889,842.78/13,012.90
  6. Step 6: Final answer
    x = 6,369.82

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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.