Home / 12,577.13-18,858.48-9,726.60

Finding the Fourth Proportional to 12,577.13, 18,858.48 and 9,726.60

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Solution

The fourth proportional to 12,577.13, 18,858.48 and 9,726.60 is: 14,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.13 : 18,858.48 = 9,726.60 : x
  2. Step 2: Convert to fraction form
    12,577.13/18,858.48 = 9,726.60/x
  3. Step 3: Cross multiply
    12,577.13x = 18,858.48 × 9,726.60
  4. Step 4: Simplify right side
    12,577.13x = 183,428,891.57
  5. Step 5: Solve for x
    x = 183,428,891.57/12,577.13
  6. Step 6: Final answer
    x = 14,584.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.