Home / 13,983.95-19,296.09-9,456.48

Finding the Fourth Proportional to 13,983.95, 19,296.09 and 9,456.48

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Solution

The fourth proportional to 13,983.95, 19,296.09 and 9,456.48 is: 13,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.95 : 19,296.09 = 9,456.48 : x
  2. Step 2: Convert to fraction form
    13,983.95/19,296.09 = 9,456.48/x
  3. Step 3: Cross multiply
    13,983.95x = 19,296.09 × 9,456.48
  4. Step 4: Simplify right side
    13,983.95x = 182,473,100.50
  5. Step 5: Solve for x
    x = 182,473,100.50/13,983.95
  6. Step 6: Final answer
    x = 13,048.75

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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.