Home / 11,821.95-16,298.69-9,550.74

Finding the Fourth Proportional to 11,821.95, 16,298.69 and 9,550.74

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Solution

The fourth proportional to 11,821.95, 16,298.69 and 9,550.74 is: 13,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.95 : 16,298.69 = 9,550.74 : x
  2. Step 2: Convert to fraction form
    11,821.95/16,298.69 = 9,550.74/x
  3. Step 3: Cross multiply
    11,821.95x = 16,298.69 × 9,550.74
  4. Step 4: Simplify right side
    11,821.95x = 155,664,506.96
  5. Step 5: Solve for x
    x = 155,664,506.96/11,821.95
  6. Step 6: Final answer
    x = 13,167.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.