Home / 12,858.80-19,289.75-4,537.10

Finding the Fourth Proportional to 12,858.80, 19,289.75 and 4,537.10

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Solution

The fourth proportional to 12,858.80, 19,289.75 and 4,537.10 is: 6,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.80 : 19,289.75 = 4,537.10 : x
  2. Step 2: Convert to fraction form
    12,858.80/19,289.75 = 4,537.10/x
  3. Step 3: Cross multiply
    12,858.80x = 19,289.75 × 4,537.10
  4. Step 4: Simplify right side
    12,858.80x = 87,519,550.26
  5. Step 5: Solve for x
    x = 87,519,550.26/12,858.80
  6. Step 6: Final answer
    x = 6,806.20

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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.