Home / 20,040.94-30,068.57-8,946.64

Finding the Fourth Proportional to 20,040.94, 30,068.57 and 8,946.64

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Solution

The fourth proportional to 20,040.94, 30,068.57 and 8,946.64 is: 13,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.94 : 30,068.57 = 8,946.64 : x
  2. Step 2: Convert to fraction form
    20,040.94/30,068.57 = 8,946.64/x
  3. Step 3: Cross multiply
    20,040.94x = 30,068.57 × 8,946.64
  4. Step 4: Simplify right side
    20,040.94x = 269,012,671.10
  5. Step 5: Solve for x
    x = 269,012,671.10/20,040.94
  6. Step 6: Final answer
    x = 13,423.16

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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.