Home / 12,357.94-18,513.60-6,110.70

Finding the Fourth Proportional to 12,357.94, 18,513.60 and 6,110.70

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Solution

The fourth proportional to 12,357.94, 18,513.60 and 6,110.70 is: 9,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357.94 : 18,513.60 = 6,110.70 : x
  2. Step 2: Convert to fraction form
    12,357.94/18,513.60 = 6,110.70/x
  3. Step 3: Cross multiply
    12,357.94x = 18,513.60 × 6,110.70
  4. Step 4: Simplify right side
    12,357.94x = 113,131,055.52
  5. Step 5: Solve for x
    x = 113,131,055.52/12,357.94
  6. Step 6: Final answer
    x = 9,154.52

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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.