Home / 8,673.24-11,970.60-5,138.18

Finding the Fourth Proportional to 8,673.24, 11,970.60 and 5,138.18

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Solution

The fourth proportional to 8,673.24, 11,970.60 and 5,138.18 is: 7,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.24 : 11,970.60 = 5,138.18 : x
  2. Step 2: Convert to fraction form
    8,673.24/11,970.60 = 5,138.18/x
  3. Step 3: Cross multiply
    8,673.24x = 11,970.60 × 5,138.18
  4. Step 4: Simplify right side
    8,673.24x = 61,507,097.51
  5. Step 5: Solve for x
    x = 61,507,097.51/8,673.24
  6. Step 6: Final answer
    x = 7,091.59

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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.