Home / 13,552.52-18,708.37-9,726.89

Finding the Fourth Proportional to 13,552.52, 18,708.37 and 9,726.89

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Solution

The fourth proportional to 13,552.52, 18,708.37 and 9,726.89 is: 13,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.52 : 18,708.37 = 9,726.89 : x
  2. Step 2: Convert to fraction form
    13,552.52/18,708.37 = 9,726.89/x
  3. Step 3: Cross multiply
    13,552.52x = 18,708.37 × 9,726.89
  4. Step 4: Simplify right side
    13,552.52x = 181,974,139.21
  5. Step 5: Solve for x
    x = 181,974,139.21/13,552.52
  6. Step 6: Final answer
    x = 13,427.33

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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.