Home / 10,778.94-16,166.52-2,988.36

Finding the Fourth Proportional to 10,778.94, 16,166.52 and 2,988.36

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Solution

The fourth proportional to 10,778.94, 16,166.52 and 2,988.36 is: 4,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.94 : 16,166.52 = 2,988.36 : x
  2. Step 2: Convert to fraction form
    10,778.94/16,166.52 = 2,988.36/x
  3. Step 3: Cross multiply
    10,778.94x = 16,166.52 × 2,988.36
  4. Step 4: Simplify right side
    10,778.94x = 48,311,381.71
  5. Step 5: Solve for x
    x = 48,311,381.71/10,778.94
  6. Step 6: Final answer
    x = 4,482.02

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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.