Home / 13,012.85-19,518.92-3,652.95

Finding the Fourth Proportional to 13,012.85, 19,518.92 and 3,652.95

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Solution

The fourth proportional to 13,012.85, 19,518.92 and 3,652.95 is: 5,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.85 : 19,518.92 = 3,652.95 : x
  2. Step 2: Convert to fraction form
    13,012.85/19,518.92 = 3,652.95/x
  3. Step 3: Cross multiply
    13,012.85x = 19,518.92 × 3,652.95
  4. Step 4: Simplify right side
    13,012.85x = 71,301,618.20
  5. Step 5: Solve for x
    x = 71,301,618.20/13,012.85
  6. Step 6: Final answer
    x = 5,479.32

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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.