Home / 19,764.05-27,280.73-13,055.63

Finding the Fourth Proportional to 19,764.05, 27,280.73 and 13,055.63

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Solution

The fourth proportional to 19,764.05, 27,280.73 and 13,055.63 is: 18,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.05 : 27,280.73 = 13,055.63 : x
  2. Step 2: Convert to fraction form
    19,764.05/27,280.73 = 13,055.63/x
  3. Step 3: Cross multiply
    19,764.05x = 27,280.73 × 13,055.63
  4. Step 4: Simplify right side
    19,764.05x = 356,167,013.25
  5. Step 5: Solve for x
    x = 356,167,013.25/19,764.05
  6. Step 6: Final answer
    x = 18,020.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.