Home / 19,573.16-29,359.40-7,886.08

Finding the Fourth Proportional to 19,573.16, 29,359.40 and 7,886.08

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Solution

The fourth proportional to 19,573.16, 29,359.40 and 7,886.08 is: 11,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.16 : 29,359.40 = 7,886.08 : x
  2. Step 2: Convert to fraction form
    19,573.16/29,359.40 = 7,886.08/x
  3. Step 3: Cross multiply
    19,573.16x = 29,359.40 × 7,886.08
  4. Step 4: Simplify right side
    19,573.16x = 231,530,577.15
  5. Step 5: Solve for x
    x = 231,530,577.15/19,573.16
  6. Step 6: Final answer
    x = 11,828.98

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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.