Home / 21,167.59-31,751.37-6,376.50

Finding the Fourth Proportional to 21,167.59, 31,751.37 and 6,376.50

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Solution

The fourth proportional to 21,167.59, 31,751.37 and 6,376.50 is: 9,564.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.59 : 31,751.37 = 6,376.50 : x
  2. Step 2: Convert to fraction form
    21,167.59/31,751.37 = 6,376.50/x
  3. Step 3: Cross multiply
    21,167.59x = 31,751.37 × 6,376.50
  4. Step 4: Simplify right side
    21,167.59x = 202,462,610.81
  5. Step 5: Solve for x
    x = 202,462,610.81/21,167.59
  6. Step 6: Final answer
    x = 9,564.75

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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.