Home / 9,069.09-12,515.43-5,090.12

Finding the Fourth Proportional to 9,069.09, 12,515.43 and 5,090.12

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Solution

The fourth proportional to 9,069.09, 12,515.43 and 5,090.12 is: 7,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.09 : 12,515.43 = 5,090.12 : x
  2. Step 2: Convert to fraction form
    9,069.09/12,515.43 = 5,090.12/x
  3. Step 3: Cross multiply
    9,069.09x = 12,515.43 × 5,090.12
  4. Step 4: Simplify right side
    9,069.09x = 63,705,009.26
  5. Step 5: Solve for x
    x = 63,705,009.26/9,069.09
  6. Step 6: Final answer
    x = 7,024.41

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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.