Home / 15,268.23-21,069.72-8,896.23

Finding the Fourth Proportional to 15,268.23, 21,069.72 and 8,896.23

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Solution

The fourth proportional to 15,268.23, 21,069.72 and 8,896.23 is: 12,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.23 : 21,069.72 = 8,896.23 : x
  2. Step 2: Convert to fraction form
    15,268.23/21,069.72 = 8,896.23/x
  3. Step 3: Cross multiply
    15,268.23x = 21,069.72 × 8,896.23
  4. Step 4: Simplify right side
    15,268.23x = 187,441,075.16
  5. Step 5: Solve for x
    x = 187,441,075.16/15,268.23
  6. Step 6: Final answer
    x = 12,276.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.