Home / 21,289.07-31,933.61-6,498.06

Finding the Fourth Proportional to 21,289.07, 31,933.61 and 6,498.06

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Solution

The fourth proportional to 21,289.07, 31,933.61 and 6,498.06 is: 9,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289.07 : 31,933.61 = 6,498.06 : x
  2. Step 2: Convert to fraction form
    21,289.07/31,933.61 = 6,498.06/x
  3. Step 3: Cross multiply
    21,289.07x = 31,933.61 × 6,498.06
  4. Step 4: Simplify right side
    21,289.07x = 207,506,481.31
  5. Step 5: Solve for x
    x = 207,506,481.31/21,289.07
  6. Step 6: Final answer
    x = 9,747.09

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1.5x scale

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.