Home / 12,338.64-18,497.40-4,948.32

Finding the Fourth Proportional to 12,338.64, 18,497.40 and 4,948.32

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Solution

The fourth proportional to 12,338.64, 18,497.40 and 4,948.32 is: 7,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.64 : 18,497.40 = 4,948.32 : x
  2. Step 2: Convert to fraction form
    12,338.64/18,497.40 = 4,948.32/x
  3. Step 3: Cross multiply
    12,338.64x = 18,497.40 × 4,948.32
  4. Step 4: Simplify right side
    12,338.64x = 91,531,054.37
  5. Step 5: Solve for x
    x = 91,531,054.37/12,338.64
  6. Step 6: Final answer
    x = 7,418.24

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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.