Home / 12,226.95-18,316.85-7,300.53

Finding the Fourth Proportional to 12,226.95, 18,316.85 and 7,300.53

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Solution

The fourth proportional to 12,226.95, 18,316.85 and 7,300.53 is: 10,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.95 : 18,316.85 = 7,300.53 : x
  2. Step 2: Convert to fraction form
    12,226.95/18,316.85 = 7,300.53/x
  3. Step 3: Cross multiply
    12,226.95x = 18,316.85 × 7,300.53
  4. Step 4: Simplify right side
    12,226.95x = 133,722,676.43
  5. Step 5: Solve for x
    x = 133,722,676.43/12,226.95
  6. Step 6: Final answer
    x = 10,936.72

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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.