Home / 14,763.98-20,382.77-9,726.37

Finding the Fourth Proportional to 14,763.98, 20,382.77 and 9,726.37

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Solution

The fourth proportional to 14,763.98, 20,382.77 and 9,726.37 is: 13,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.98 : 20,382.77 = 9,726.37 : x
  2. Step 2: Convert to fraction form
    14,763.98/20,382.77 = 9,726.37/x
  3. Step 3: Cross multiply
    14,763.98x = 20,382.77 × 9,726.37
  4. Step 4: Simplify right side
    14,763.98x = 198,250,336.00
  5. Step 5: Solve for x
    x = 198,250,336.00/14,763.98
  6. Step 6: Final answer
    x = 13,427.97

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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.