Home / 19,491.95-29,239.77-5,451.98

Finding the Fourth Proportional to 19,491.95, 29,239.77 and 5,451.98

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Solution

The fourth proportional to 19,491.95, 29,239.77 and 5,451.98 is: 8,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.95 : 29,239.77 = 5,451.98 : x
  2. Step 2: Convert to fraction form
    19,491.95/29,239.77 = 5,451.98/x
  3. Step 3: Cross multiply
    19,491.95x = 29,239.77 × 5,451.98
  4. Step 4: Simplify right side
    19,491.95x = 159,414,495.05
  5. Step 5: Solve for x
    x = 159,414,495.05/19,491.95
  6. Step 6: Final answer
    x = 8,178.48

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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.