Home / 12,429.01-18,643.79-4,636.27

Finding the Fourth Proportional to 12,429.01, 18,643.79 and 4,636.27

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Solution

The fourth proportional to 12,429.01, 18,643.79 and 4,636.27 is: 6,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.01 : 18,643.79 = 4,636.27 : x
  2. Step 2: Convert to fraction form
    12,429.01/18,643.79 = 4,636.27/x
  3. Step 3: Cross multiply
    12,429.01x = 18,643.79 × 4,636.27
  4. Step 4: Simplify right side
    12,429.01x = 86,437,644.26
  5. Step 5: Solve for x
    x = 86,437,644.26/12,429.01
  6. Step 6: Final answer
    x = 6,954.51

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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.