Home / 18,271.36-27,407.04-14,216.32

Finding the Fourth Proportional to 18,271.36, 27,407.04 and 14,216.32

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Solution

The fourth proportional to 18,271.36, 27,407.04 and 14,216.32 is: 21,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.36 : 27,407.04 = 14,216.32 : x
  2. Step 2: Convert to fraction form
    18,271.36/27,407.04 = 14,216.32/x
  3. Step 3: Cross multiply
    18,271.36x = 27,407.04 × 14,216.32
  4. Step 4: Simplify right side
    18,271.36x = 389,627,250.89
  5. Step 5: Solve for x
    x = 389,627,250.89/18,271.36
  6. Step 6: Final answer
    x = 21,324.48

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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.