Home / 19,136.51-28,703.97-6,659.36

Finding the Fourth Proportional to 19,136.51, 28,703.97 and 6,659.36

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Solution

The fourth proportional to 19,136.51, 28,703.97 and 6,659.36 is: 9,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.51 : 28,703.97 = 6,659.36 : x
  2. Step 2: Convert to fraction form
    19,136.51/28,703.97 = 6,659.36/x
  3. Step 3: Cross multiply
    19,136.51x = 28,703.97 × 6,659.36
  4. Step 4: Simplify right side
    19,136.51x = 191,150,069.66
  5. Step 5: Solve for x
    x = 191,150,069.66/19,136.51
  6. Step 6: Final answer
    x = 9,988.76

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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.