Home / 13,012.76-19,519.15-3,152.05

Finding the Fourth Proportional to 13,012.76, 19,519.15 and 3,152.05

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Solution

The fourth proportional to 13,012.76, 19,519.15 and 3,152.05 is: 4,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.76 : 19,519.15 = 3,152.05 : x
  2. Step 2: Convert to fraction form
    13,012.76/19,519.15 = 3,152.05/x
  3. Step 3: Cross multiply
    13,012.76x = 19,519.15 × 3,152.05
  4. Step 4: Simplify right side
    13,012.76x = 61,525,336.76
  5. Step 5: Solve for x
    x = 61,525,336.76/13,012.76
  6. Step 6: Final answer
    x = 4,728.08

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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.