Home / 12,466.36-18,702.42-4,145.76

Finding the Fourth Proportional to 12,466.36, 18,702.42 and 4,145.76

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Solution

The fourth proportional to 12,466.36, 18,702.42 and 4,145.76 is: 6,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,466.36 : 18,702.42 = 4,145.76 : x
  2. Step 2: Convert to fraction form
    12,466.36/18,702.42 = 4,145.76/x
  3. Step 3: Cross multiply
    12,466.36x = 18,702.42 × 4,145.76
  4. Step 4: Simplify right side
    12,466.36x = 77,535,744.74
  5. Step 5: Solve for x
    x = 77,535,744.74/12,466.36
  6. Step 6: Final answer
    x = 6,219.60

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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.