Home / 19,611.67-27,045.48-12,902.98

Finding the Fourth Proportional to 19,611.67, 27,045.48 and 12,902.98

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Solution

The fourth proportional to 19,611.67, 27,045.48 and 12,902.98 is: 17,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.67 : 27,045.48 = 12,902.98 : x
  2. Step 2: Convert to fraction form
    19,611.67/27,045.48 = 12,902.98/x
  3. Step 3: Cross multiply
    19,611.67x = 27,045.48 × 12,902.98
  4. Step 4: Simplify right side
    19,611.67x = 348,967,287.53
  5. Step 5: Solve for x
    x = 348,967,287.53/19,611.67
  6. Step 6: Final answer
    x = 17,793.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.