Home / 12,768.61-19,152.93-4,004.21

Finding the Fourth Proportional to 12,768.61, 19,152.93 and 4,004.21

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Solution

The fourth proportional to 12,768.61, 19,152.93 and 4,004.21 is: 6,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768.61 : 19,152.93 = 4,004.21 : x
  2. Step 2: Convert to fraction form
    12,768.61/19,152.93 = 4,004.21/x
  3. Step 3: Cross multiply
    12,768.61x = 19,152.93 × 4,004.21
  4. Step 4: Simplify right side
    12,768.61x = 76,692,333.81
  5. Step 5: Solve for x
    x = 76,692,333.81/12,768.61
  6. Step 6: Final answer
    x = 6,006.32

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Double scale
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Similar ratio
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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.