Home / 12,864.51-19,296.72-8,450.04

Finding the Fourth Proportional to 12,864.51, 19,296.72 and 8,450.04

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Solution

The fourth proportional to 12,864.51, 19,296.72 and 8,450.04 is: 12,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.51 : 19,296.72 = 8,450.04 : x
  2. Step 2: Convert to fraction form
    12,864.51/19,296.72 = 8,450.04/x
  3. Step 3: Cross multiply
    12,864.51x = 19,296.72 × 8,450.04
  4. Step 4: Simplify right side
    12,864.51x = 163,058,055.87
  5. Step 5: Solve for x
    x = 163,058,055.87/12,864.51
  6. Step 6: Final answer
    x = 12,675.03

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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.