Home / 21,973.29-32,960.84-6,390.92

Finding the Fourth Proportional to 21,973.29, 32,960.84 and 6,390.92

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Solution

The fourth proportional to 21,973.29, 32,960.84 and 6,390.92 is: 9,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.29 : 32,960.84 = 6,390.92 : x
  2. Step 2: Convert to fraction form
    21,973.29/32,960.84 = 6,390.92/x
  3. Step 3: Cross multiply
    21,973.29x = 32,960.84 × 6,390.92
  4. Step 4: Simplify right side
    21,973.29x = 210,649,894.81
  5. Step 5: Solve for x
    x = 210,649,894.81/21,973.29
  6. Step 6: Final answer
    x = 9,586.63

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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.