Home / 12,398.32-18,597.09-3,038.36

Finding the Fourth Proportional to 12,398.32, 18,597.09 and 3,038.36

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Solution

The fourth proportional to 12,398.32, 18,597.09 and 3,038.36 is: 4,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.32 : 18,597.09 = 3,038.36 : x
  2. Step 2: Convert to fraction form
    12,398.32/18,597.09 = 3,038.36/x
  3. Step 3: Cross multiply
    12,398.32x = 18,597.09 × 3,038.36
  4. Step 4: Simplify right side
    12,398.32x = 56,504,677.39
  5. Step 5: Solve for x
    x = 56,504,677.39/12,398.32
  6. Step 6: Final answer
    x = 4,557.45

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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.