Home / 14,477.94-21,607.56-13,078.26

Finding the Fourth Proportional to 14,477.94, 21,607.56 and 13,078.26

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Solution

The fourth proportional to 14,477.94, 21,607.56 and 13,078.26 is: 19,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.94 : 21,607.56 = 13,078.26 : x
  2. Step 2: Convert to fraction form
    14,477.94/21,607.56 = 13,078.26/x
  3. Step 3: Cross multiply
    14,477.94x = 21,607.56 × 13,078.26
  4. Step 4: Simplify right side
    14,477.94x = 282,589,287.65
  5. Step 5: Solve for x
    x = 282,589,287.65/14,477.94
  6. Step 6: Final answer
    x = 19,518.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.