Home / 18,576.18-25,642.71-13,852.26

Finding the Fourth Proportional to 18,576.18, 25,642.71 and 13,852.26

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Solution

The fourth proportional to 18,576.18, 25,642.71 and 13,852.26 is: 19,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.18 : 25,642.71 = 13,852.26 : x
  2. Step 2: Convert to fraction form
    18,576.18/25,642.71 = 13,852.26/x
  3. Step 3: Cross multiply
    18,576.18x = 25,642.71 × 13,852.26
  4. Step 4: Simplify right side
    18,576.18x = 355,209,486.02
  5. Step 5: Solve for x
    x = 355,209,486.02/18,576.18
  6. Step 6: Final answer
    x = 19,121.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.