Home / 21,094.42-31,650.36-9,242.07

Finding the Fourth Proportional to 21,094.42, 31,650.36 and 9,242.07

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Solution

The fourth proportional to 21,094.42, 31,650.36 and 9,242.07 is: 13,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.42 : 31,650.36 = 9,242.07 : x
  2. Step 2: Convert to fraction form
    21,094.42/31,650.36 = 9,242.07/x
  3. Step 3: Cross multiply
    21,094.42x = 31,650.36 × 9,242.07
  4. Step 4: Simplify right side
    21,094.42x = 292,514,842.65
  5. Step 5: Solve for x
    x = 292,514,842.65/21,094.42
  6. Step 6: Final answer
    x = 13,866.93

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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.