Home / 19,110.07-28,656.19-7,266.05

Finding the Fourth Proportional to 19,110.07, 28,656.19 and 7,266.05

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Solution

The fourth proportional to 19,110.07, 28,656.19 and 7,266.05 is: 10,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.07 : 28,656.19 = 7,266.05 : x
  2. Step 2: Convert to fraction form
    19,110.07/28,656.19 = 7,266.05/x
  3. Step 3: Cross multiply
    19,110.07x = 28,656.19 × 7,266.05
  4. Step 4: Simplify right side
    19,110.07x = 208,217,309.35
  5. Step 5: Solve for x
    x = 208,217,309.35/19,110.07
  6. Step 6: Final answer
    x = 10,895.69

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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.