Home / 12,054.74-18,089.63-5,391.23

Finding the Fourth Proportional to 12,054.74, 18,089.63 and 5,391.23

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Solution

The fourth proportional to 12,054.74, 18,089.63 and 5,391.23 is: 8,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.74 : 18,089.63 = 5,391.23 : x
  2. Step 2: Convert to fraction form
    12,054.74/18,089.63 = 5,391.23/x
  3. Step 3: Cross multiply
    12,054.74x = 18,089.63 × 5,391.23
  4. Step 4: Simplify right side
    12,054.74x = 97,525,238.54
  5. Step 5: Solve for x
    x = 97,525,238.54/12,054.74
  6. Step 6: Final answer
    x = 8,090.20

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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.