Home / 22,920.48-34,384.77-8,137.98

Finding the Fourth Proportional to 22,920.48, 34,384.77 and 8,137.98

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Solution

The fourth proportional to 22,920.48, 34,384.77 and 8,137.98 is: 12,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.48 : 34,384.77 = 8,137.98 : x
  2. Step 2: Convert to fraction form
    22,920.48/34,384.77 = 8,137.98/x
  3. Step 3: Cross multiply
    22,920.48x = 34,384.77 × 8,137.98
  4. Step 4: Simplify right side
    22,920.48x = 279,822,570.56
  5. Step 5: Solve for x
    x = 279,822,570.56/22,920.48
  6. Step 6: Final answer
    x = 12,208.41

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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.