Home / 12,250.77-18,376.96-4,855.20

Finding the Fourth Proportional to 12,250.77, 18,376.96 and 4,855.20

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Solution

The fourth proportional to 12,250.77, 18,376.96 and 4,855.20 is: 7,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.77 : 18,376.96 = 4,855.20 : x
  2. Step 2: Convert to fraction form
    12,250.77/18,376.96 = 4,855.20/x
  3. Step 3: Cross multiply
    12,250.77x = 18,376.96 × 4,855.20
  4. Step 4: Simplify right side
    12,250.77x = 89,223,816.19
  5. Step 5: Solve for x
    x = 89,223,816.19/12,250.77
  6. Step 6: Final answer
    x = 7,283.12

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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.