Home / 12,293.44-18,440.10-3,528.40

Finding the Fourth Proportional to 12,293.44, 18,440.10 and 3,528.40

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Solution

The fourth proportional to 12,293.44, 18,440.10 and 3,528.40 is: 5,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.44 : 18,440.10 = 3,528.40 : x
  2. Step 2: Convert to fraction form
    12,293.44/18,440.10 = 3,528.40/x
  3. Step 3: Cross multiply
    12,293.44x = 18,440.10 × 3,528.40
  4. Step 4: Simplify right side
    12,293.44x = 65,064,048.84
  5. Step 5: Solve for x
    x = 65,064,048.84/12,293.44
  6. Step 6: Final answer
    x = 5,292.58

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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.