Home / 12,946.25-19,403.57-5,535.07

Finding the Fourth Proportional to 12,946.25, 19,403.57 and 5,535.07

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Solution

The fourth proportional to 12,946.25, 19,403.57 and 5,535.07 is: 8,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.25 : 19,403.57 = 5,535.07 : x
  2. Step 2: Convert to fraction form
    12,946.25/19,403.57 = 5,535.07/x
  3. Step 3: Cross multiply
    12,946.25x = 19,403.57 × 5,535.07
  4. Step 4: Simplify right side
    12,946.25x = 107,400,083.53
  5. Step 5: Solve for x
    x = 107,400,083.53/12,946.25
  6. Step 6: Final answer
    x = 8,295.84

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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.