Home / 13,289.44-19,915.37-7,368.94

Finding the Fourth Proportional to 13,289.44, 19,915.37 and 7,368.94

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Solution

The fourth proportional to 13,289.44, 19,915.37 and 7,368.94 is: 11,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.44 : 19,915.37 = 7,368.94 : x
  2. Step 2: Convert to fraction form
    13,289.44/19,915.37 = 7,368.94/x
  3. Step 3: Cross multiply
    13,289.44x = 19,915.37 × 7,368.94
  4. Step 4: Simplify right side
    13,289.44x = 146,755,098.27
  5. Step 5: Solve for x
    x = 146,755,098.27/13,289.44
  6. Step 6: Final answer
    x = 11,042.98

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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.