Home / 21,973.21-32,952.98-7,931.41

Finding the Fourth Proportional to 21,973.21, 32,952.98 and 7,931.41

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Solution

The fourth proportional to 21,973.21, 32,952.98 and 7,931.41 is: 11,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.21 : 32,952.98 = 7,931.41 : x
  2. Step 2: Convert to fraction form
    21,973.21/32,952.98 = 7,931.41/x
  3. Step 3: Cross multiply
    21,973.21x = 32,952.98 × 7,931.41
  4. Step 4: Simplify right side
    21,973.21x = 261,363,532.55
  5. Step 5: Solve for x
    x = 261,363,532.55/21,973.21
  6. Step 6: Final answer
    x = 11,894.65

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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.