Home / 13,252.78-19,888.26-5,461.54

Finding the Fourth Proportional to 13,252.78, 19,888.26 and 5,461.54

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Solution

The fourth proportional to 13,252.78, 19,888.26 and 5,461.54 is: 8,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.78 : 19,888.26 = 5,461.54 : x
  2. Step 2: Convert to fraction form
    13,252.78/19,888.26 = 5,461.54/x
  3. Step 3: Cross multiply
    13,252.78x = 19,888.26 × 5,461.54
  4. Step 4: Simplify right side
    13,252.78x = 108,620,527.52
  5. Step 5: Solve for x
    x = 108,620,527.52/13,252.78
  6. Step 6: Final answer
    x = 8,196.06

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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.