Home / 19,127.06-28,694.63-5,980.42

Finding the Fourth Proportional to 19,127.06, 28,694.63 and 5,980.42

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Solution

The fourth proportional to 19,127.06, 28,694.63 and 5,980.42 is: 8,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.06 : 28,694.63 = 5,980.42 : x
  2. Step 2: Convert to fraction form
    19,127.06/28,694.63 = 5,980.42/x
  3. Step 3: Cross multiply
    19,127.06x = 28,694.63 × 5,980.42
  4. Step 4: Simplify right side
    19,127.06x = 171,605,882.36
  5. Step 5: Solve for x
    x = 171,605,882.36/19,127.06
  6. Step 6: Final answer
    x = 8,971.89

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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.