Home / 21,337.02-31,995-6,542.37

Finding the Fourth Proportional to 21,337.02, 31,995 and 6,542.37

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Solution

The fourth proportional to 21,337.02, 31,995 and 6,542.37 is: 9,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.02 : 31,995 = 6,542.37 : x
  2. Step 2: Convert to fraction form
    21,337.02/31,995 = 6,542.37/x
  3. Step 3: Cross multiply
    21,337.02x = 31,995 × 6,542.37
  4. Step 4: Simplify right side
    21,337.02x = 209,323,128.15
  5. Step 5: Solve for x
    x = 209,323,128.15/21,337.02
  6. Step 6: Final answer
    x = 9,810.33

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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.