Home / 19,254.87-28,882.35-5,214.98

Finding the Fourth Proportional to 19,254.87, 28,882.35 and 5,214.98

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Solution

The fourth proportional to 19,254.87, 28,882.35 and 5,214.98 is: 7,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.87 : 28,882.35 = 5,214.98 : x
  2. Step 2: Convert to fraction form
    19,254.87/28,882.35 = 5,214.98/x
  3. Step 3: Cross multiply
    19,254.87x = 28,882.35 × 5,214.98
  4. Step 4: Simplify right side
    19,254.87x = 150,620,949.81
  5. Step 5: Solve for x
    x = 150,620,949.81/19,254.87
  6. Step 6: Final answer
    x = 7,822.49

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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.