Home / 12,378.93-18,569.01-4,055.58

Finding the Fourth Proportional to 12,378.93, 18,569.01 and 4,055.58

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Solution

The fourth proportional to 12,378.93, 18,569.01 and 4,055.58 is: 6,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.93 : 18,569.01 = 4,055.58 : x
  2. Step 2: Convert to fraction form
    12,378.93/18,569.01 = 4,055.58/x
  3. Step 3: Cross multiply
    12,378.93x = 18,569.01 × 4,055.58
  4. Step 4: Simplify right side
    12,378.93x = 75,308,105.58
  5. Step 5: Solve for x
    x = 75,308,105.58/12,378.93
  6. Step 6: Final answer
    x = 6,083.57

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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.