Home / 12,859.16-19,283.39-4,535.43

Finding the Fourth Proportional to 12,859.16, 19,283.39 and 4,535.43

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Solution

The fourth proportional to 12,859.16, 19,283.39 and 4,535.43 is: 6,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.16 : 19,283.39 = 4,535.43 : x
  2. Step 2: Convert to fraction form
    12,859.16/19,283.39 = 4,535.43/x
  3. Step 3: Cross multiply
    12,859.16x = 19,283.39 × 4,535.43
  4. Step 4: Simplify right side
    12,859.16x = 87,458,442.83
  5. Step 5: Solve for x
    x = 87,458,442.83/12,859.16
  6. Step 6: Final answer
    x = 6,801.26

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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.