Home / 13,040.19-19,554.48-4,153.88

Finding the Fourth Proportional to 13,040.19, 19,554.48 and 4,153.88

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Solution

The fourth proportional to 13,040.19, 19,554.48 and 4,153.88 is: 6,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.19 : 19,554.48 = 4,153.88 : x
  2. Step 2: Convert to fraction form
    13,040.19/19,554.48 = 4,153.88/x
  3. Step 3: Cross multiply
    13,040.19x = 19,554.48 × 4,153.88
  4. Step 4: Simplify right side
    13,040.19x = 81,227,012.27
  5. Step 5: Solve for x
    x = 81,227,012.27/13,040.19
  6. Step 6: Final answer
    x = 6,228.97

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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.