Home / 19,122.56-28,672.50-7,277.23

Finding the Fourth Proportional to 19,122.56, 28,672.50 and 7,277.23

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Solution

The fourth proportional to 19,122.56, 28,672.50 and 7,277.23 is: 10,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.56 : 28,672.50 = 7,277.23 : x
  2. Step 2: Convert to fraction form
    19,122.56/28,672.50 = 7,277.23/x
  3. Step 3: Cross multiply
    19,122.56x = 28,672.50 × 7,277.23
  4. Step 4: Simplify right side
    19,122.56x = 208,656,233.81
  5. Step 5: Solve for x
    x = 208,656,233.81/19,122.56
  6. Step 6: Final answer
    x = 10,911.52

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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.