Home / 9,920.45-14,880.68-2,994.95

Finding the Fourth Proportional to 9,920.45, 14,880.68 and 2,994.95

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Solution

The fourth proportional to 9,920.45, 14,880.68 and 2,994.95 is: 4,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.45 : 14,880.68 = 2,994.95 : x
  2. Step 2: Convert to fraction form
    9,920.45/14,880.68 = 2,994.95/x
  3. Step 3: Cross multiply
    9,920.45x = 14,880.68 × 2,994.95
  4. Step 4: Simplify right side
    9,920.45x = 44,566,803.19
  5. Step 5: Solve for x
    x = 44,566,803.19/9,920.45
  6. Step 6: Final answer
    x = 4,492.42

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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.