Home / 14,278.92-21,406.06-5,519.98

Finding the Fourth Proportional to 14,278.92, 21,406.06 and 5,519.98

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Solution

The fourth proportional to 14,278.92, 21,406.06 and 5,519.98 is: 8,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.92 : 21,406.06 = 5,519.98 : x
  2. Step 2: Convert to fraction form
    14,278.92/21,406.06 = 5,519.98/x
  3. Step 3: Cross multiply
    14,278.92x = 21,406.06 × 5,519.98
  4. Step 4: Simplify right side
    14,278.92x = 118,161,023.08
  5. Step 5: Solve for x
    x = 118,161,023.08/14,278.92
  6. Step 6: Final answer
    x = 8,275.21

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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.