Home / 12,192.04-18,287.90-2,958.12

Finding the Fourth Proportional to 12,192.04, 18,287.90 and 2,958.12

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Solution

The fourth proportional to 12,192.04, 18,287.90 and 2,958.12 is: 4,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.04 : 18,287.90 = 2,958.12 : x
  2. Step 2: Convert to fraction form
    12,192.04/18,287.90 = 2,958.12/x
  3. Step 3: Cross multiply
    12,192.04x = 18,287.90 × 2,958.12
  4. Step 4: Simplify right side
    12,192.04x = 54,097,802.75
  5. Step 5: Solve for x
    x = 54,097,802.75/12,192.04
  6. Step 6: Final answer
    x = 4,437.14

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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.