Home / 12,751.54-19,058.93-11,499.28

Finding the Fourth Proportional to 12,751.54, 19,058.93 and 11,499.28

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Solution

The fourth proportional to 12,751.54, 19,058.93 and 11,499.28 is: 17,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,751.54 : 19,058.93 = 11,499.28 : x
  2. Step 2: Convert to fraction form
    12,751.54/19,058.93 = 11,499.28/x
  3. Step 3: Cross multiply
    12,751.54x = 19,058.93 × 11,499.28
  4. Step 4: Simplify right side
    12,751.54x = 219,163,972.57
  5. Step 5: Solve for x
    x = 219,163,972.57/12,751.54
  6. Step 6: Final answer
    x = 17,187.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.