Home / 8,699.21-13,055.73-3,154.13

Finding the Fourth Proportional to 8,699.21, 13,055.73 and 3,154.13

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Solution

The fourth proportional to 8,699.21, 13,055.73 and 3,154.13 is: 4,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.21 : 13,055.73 = 3,154.13 : x
  2. Step 2: Convert to fraction form
    8,699.21/13,055.73 = 3,154.13/x
  3. Step 3: Cross multiply
    8,699.21x = 13,055.73 × 3,154.13
  4. Step 4: Simplify right side
    8,699.21x = 41,179,453.89
  5. Step 5: Solve for x
    x = 41,179,453.89/8,699.21
  6. Step 6: Final answer
    x = 4,733.70

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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.