Home / 10,896.80-16,351.40-9,070.04

Finding the Fourth Proportional to 10,896.80, 16,351.40 and 9,070.04

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Solution

The fourth proportional to 10,896.80, 16,351.40 and 9,070.04 is: 13,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.80 : 16,351.40 = 9,070.04 : x
  2. Step 2: Convert to fraction form
    10,896.80/16,351.40 = 9,070.04/x
  3. Step 3: Cross multiply
    10,896.80x = 16,351.40 × 9,070.04
  4. Step 4: Simplify right side
    10,896.80x = 148,307,915.61
  5. Step 5: Solve for x
    x = 148,307,915.61/10,896.80
  6. Step 6: Final answer
    x = 13,610.23

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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.