Home / 13,790.52-19,020.50-9,548.68

Finding the Fourth Proportional to 13,790.52, 19,020.50 and 9,548.68

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Solution

The fourth proportional to 13,790.52, 19,020.50 and 9,548.68 is: 13,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.52 : 19,020.50 = 9,548.68 : x
  2. Step 2: Convert to fraction form
    13,790.52/19,020.50 = 9,548.68/x
  3. Step 3: Cross multiply
    13,790.52x = 19,020.50 × 9,548.68
  4. Step 4: Simplify right side
    13,790.52x = 181,620,667.94
  5. Step 5: Solve for x
    x = 181,620,667.94/13,790.52
  6. Step 6: Final answer
    x = 13,169.97

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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.