Home / 10,896.36-15,037.98-6,421.50

Finding the Fourth Proportional to 10,896.36, 15,037.98 and 6,421.50

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Solution

The fourth proportional to 10,896.36, 15,037.98 and 6,421.50 is: 8,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.36 : 15,037.98 = 6,421.50 : x
  2. Step 2: Convert to fraction form
    10,896.36/15,037.98 = 6,421.50/x
  3. Step 3: Cross multiply
    10,896.36x = 15,037.98 × 6,421.50
  4. Step 4: Simplify right side
    10,896.36x = 96,566,388.57
  5. Step 5: Solve for x
    x = 96,566,388.57/10,896.36
  6. Step 6: Final answer
    x = 8,862.26

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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.