Home / 12,293.80-18,434.32-4,393.28

Finding the Fourth Proportional to 12,293.80, 18,434.32 and 4,393.28

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Solution

The fourth proportional to 12,293.80, 18,434.32 and 4,393.28 is: 6,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.80 : 18,434.32 = 4,393.28 : x
  2. Step 2: Convert to fraction form
    12,293.80/18,434.32 = 4,393.28/x
  3. Step 3: Cross multiply
    12,293.80x = 18,434.32 × 4,393.28
  4. Step 4: Simplify right side
    12,293.80x = 80,987,129.37
  5. Step 5: Solve for x
    x = 80,987,129.37/12,293.80
  6. Step 6: Final answer
    x = 6,587.64

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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.