Home / 21,973.14-32,952.86-7,931.35

Finding the Fourth Proportional to 21,973.14, 32,952.86 and 7,931.35

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Solution

The fourth proportional to 21,973.14, 32,952.86 and 7,931.35 is: 11,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.14 : 32,952.86 = 7,931.35 : x
  2. Step 2: Convert to fraction form
    21,973.14/32,952.86 = 7,931.35/x
  3. Step 3: Cross multiply
    21,973.14x = 32,952.86 × 7,931.35
  4. Step 4: Simplify right side
    21,973.14x = 261,360,697.44
  5. Step 5: Solve for x
    x = 261,360,697.44/21,973.14
  6. Step 6: Final answer
    x = 11,894.55

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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.