Home / 9,254.45-12,771.09-5,005.51

Finding the Fourth Proportional to 9,254.45, 12,771.09 and 5,005.51

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Solution

The fourth proportional to 9,254.45, 12,771.09 and 5,005.51 is: 6,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.45 : 12,771.09 = 5,005.51 : x
  2. Step 2: Convert to fraction form
    9,254.45/12,771.09 = 5,005.51/x
  3. Step 3: Cross multiply
    9,254.45x = 12,771.09 × 5,005.51
  4. Step 4: Simplify right side
    9,254.45x = 63,925,853.44
  5. Step 5: Solve for x
    x = 63,925,853.44/9,254.45
  6. Step 6: Final answer
    x = 6,907.58

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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.