Home / 19,100.79-28,656.14-7,254.76

Finding the Fourth Proportional to 19,100.79, 28,656.14 and 7,254.76

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Solution

The fourth proportional to 19,100.79, 28,656.14 and 7,254.76 is: 10,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.79 : 28,656.14 = 7,254.76 : x
  2. Step 2: Convert to fraction form
    19,100.79/28,656.14 = 7,254.76/x
  3. Step 3: Cross multiply
    19,100.79x = 28,656.14 × 7,254.76
  4. Step 4: Simplify right side
    19,100.79x = 207,893,418.23
  5. Step 5: Solve for x
    x = 207,893,418.23/19,100.79
  6. Step 6: Final answer
    x = 10,884.02

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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.