Home / 13,888.80-19,157.31-8,576.82

Finding the Fourth Proportional to 13,888.80, 19,157.31 and 8,576.82

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Solution

The fourth proportional to 13,888.80, 19,157.31 and 8,576.82 is: 11,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.80 : 19,157.31 = 8,576.82 : x
  2. Step 2: Convert to fraction form
    13,888.80/19,157.31 = 8,576.82/x
  3. Step 3: Cross multiply
    13,888.80x = 19,157.31 × 8,576.82
  4. Step 4: Simplify right side
    13,888.80x = 164,308,799.55
  5. Step 5: Solve for x
    x = 164,308,799.55/13,888.80
  6. Step 6: Final answer
    x = 11,830.31

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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.