Home / 12,302.72-18,454.08-3,068.80

Finding the Fourth Proportional to 12,302.72, 18,454.08 and 3,068.80

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Solution

The fourth proportional to 12,302.72, 18,454.08 and 3,068.80 is: 4,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.72 : 18,454.08 = 3,068.80 : x
  2. Step 2: Convert to fraction form
    12,302.72/18,454.08 = 3,068.80/x
  3. Step 3: Cross multiply
    12,302.72x = 18,454.08 × 3,068.80
  4. Step 4: Simplify right side
    12,302.72x = 56,631,880.70
  5. Step 5: Solve for x
    x = 56,631,880.70/12,302.72
  6. Step 6: Final answer
    x = 4,603.20

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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.