Home / 12,737.74-19,109.91-4,840.39

Finding the Fourth Proportional to 12,737.74, 19,109.91 and 4,840.39

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Solution

The fourth proportional to 12,737.74, 19,109.91 and 4,840.39 is: 7,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.74 : 19,109.91 = 4,840.39 : x
  2. Step 2: Convert to fraction form
    12,737.74/19,109.91 = 4,840.39/x
  3. Step 3: Cross multiply
    12,737.74x = 19,109.91 × 4,840.39
  4. Step 4: Simplify right side
    12,737.74x = 92,499,369.49
  5. Step 5: Solve for x
    x = 92,499,369.49/12,737.74
  6. Step 6: Final answer
    x = 7,261.84

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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.