Home / 11,907.08-16,433.52-6,603.20

Finding the Fourth Proportional to 11,907.08, 16,433.52 and 6,603.20

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Solution

The fourth proportional to 11,907.08, 16,433.52 and 6,603.20 is: 9,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.08 : 16,433.52 = 6,603.20 : x
  2. Step 2: Convert to fraction form
    11,907.08/16,433.52 = 6,603.20/x
  3. Step 3: Cross multiply
    11,907.08x = 16,433.52 × 6,603.20
  4. Step 4: Simplify right side
    11,907.08x = 108,513,819.26
  5. Step 5: Solve for x
    x = 108,513,819.26/11,907.08
  6. Step 6: Final answer
    x = 9,113.39

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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.