Home / 11,907.45-16,384.01-9,775.13

Finding the Fourth Proportional to 11,907.45, 16,384.01 and 9,775.13

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Solution

The fourth proportional to 11,907.45, 16,384.01 and 9,775.13 is: 13,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.45 : 16,384.01 = 9,775.13 : x
  2. Step 2: Convert to fraction form
    11,907.45/16,384.01 = 9,775.13/x
  3. Step 3: Cross multiply
    11,907.45x = 16,384.01 × 9,775.13
  4. Step 4: Simplify right side
    11,907.45x = 160,155,696.88
  5. Step 5: Solve for x
    x = 160,155,696.88/11,907.45
  6. Step 6: Final answer
    x = 13,450.04

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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.