Home / 15,490.67-23,222.94-6,718.98

Finding the Fourth Proportional to 15,490.67, 23,222.94 and 6,718.98

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Solution

The fourth proportional to 15,490.67, 23,222.94 and 6,718.98 is: 10,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.67 : 23,222.94 = 6,718.98 : x
  2. Step 2: Convert to fraction form
    15,490.67/23,222.94 = 6,718.98/x
  3. Step 3: Cross multiply
    15,490.67x = 23,222.94 × 6,718.98
  4. Step 4: Simplify right side
    15,490.67x = 156,034,319.69
  5. Step 5: Solve for x
    x = 156,034,319.69/15,490.67
  6. Step 6: Final answer
    x = 10,072.80

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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.