Home / 12,017.25-18,023.40-4,619.16

Finding the Fourth Proportional to 12,017.25, 18,023.40 and 4,619.16

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Solution

The fourth proportional to 12,017.25, 18,023.40 and 4,619.16 is: 6,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.25 : 18,023.40 = 4,619.16 : x
  2. Step 2: Convert to fraction form
    12,017.25/18,023.40 = 4,619.16/x
  3. Step 3: Cross multiply
    12,017.25x = 18,023.40 × 4,619.16
  4. Step 4: Simplify right side
    12,017.25x = 83,252,968.34
  5. Step 5: Solve for x
    x = 83,252,968.34/12,017.25
  6. Step 6: Final answer
    x = 6,927.79

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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.