Home / 21,962.14-32,894.00-13,178.90

Finding the Fourth Proportional to 21,962.14, 32,894.00 and 13,178.90

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Solution

The fourth proportional to 21,962.14, 32,894.00 and 13,178.90 is: 19,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.14 : 32,894.00 = 13,178.90 : x
  2. Step 2: Convert to fraction form
    21,962.14/32,894.00 = 13,178.90/x
  3. Step 3: Cross multiply
    21,962.14x = 32,894.00 × 13,178.90
  4. Step 4: Simplify right side
    21,962.14x = 433,506,802.36
  5. Step 5: Solve for x
    x = 433,506,802.36/21,962.14
  6. Step 6: Final answer
    x = 19,738.83

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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.