Home / 10,875.08-16,339.96-6,928.11

Finding the Fourth Proportional to 10,875.08, 16,339.96 and 6,928.11

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Solution

The fourth proportional to 10,875.08, 16,339.96 and 6,928.11 is: 10,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.08 : 16,339.96 = 6,928.11 : x
  2. Step 2: Convert to fraction form
    10,875.08/16,339.96 = 6,928.11/x
  3. Step 3: Cross multiply
    10,875.08x = 16,339.96 × 6,928.11
  4. Step 4: Simplify right side
    10,875.08x = 113,205,040.28
  5. Step 5: Solve for x
    x = 113,205,040.28/10,875.08
  6. Step 6: Final answer
    x = 10,409.58

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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.