Home / 11,777.08-17,638.74-5,625.40

Finding the Fourth Proportional to 11,777.08, 17,638.74 and 5,625.40

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Solution

The fourth proportional to 11,777.08, 17,638.74 and 5,625.40 is: 8,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.08 : 17,638.74 = 5,625.40 : x
  2. Step 2: Convert to fraction form
    11,777.08/17,638.74 = 5,625.40/x
  3. Step 3: Cross multiply
    11,777.08x = 17,638.74 × 5,625.40
  4. Step 4: Simplify right side
    11,777.08x = 99,224,968.00
  5. Step 5: Solve for x
    x = 99,224,968.00/11,777.08
  6. Step 6: Final answer
    x = 8,425.26

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1.5x scale

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.