Home / 13,012.24-19,518.41-3,151.50

Finding the Fourth Proportional to 13,012.24, 19,518.41 and 3,151.50

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Solution

The fourth proportional to 13,012.24, 19,518.41 and 3,151.50 is: 4,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.24 : 19,518.41 = 3,151.50 : x
  2. Step 2: Convert to fraction form
    13,012.24/19,518.41 = 3,151.50/x
  3. Step 3: Cross multiply
    13,012.24x = 19,518.41 × 3,151.50
  4. Step 4: Simplify right side
    13,012.24x = 61,512,276.99
  5. Step 5: Solve for x
    x = 61,512,276.99/13,012.24
  6. Step 6: Final answer
    x = 4,727.26

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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.