Home / 11,257.81-16,890.98-4,683.45

Finding the Fourth Proportional to 11,257.81, 16,890.98 and 4,683.45

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Solution

The fourth proportional to 11,257.81, 16,890.98 and 4,683.45 is: 7,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.81 : 16,890.98 = 4,683.45 : x
  2. Step 2: Convert to fraction form
    11,257.81/16,890.98 = 4,683.45/x
  3. Step 3: Cross multiply
    11,257.81x = 16,890.98 × 4,683.45
  4. Step 4: Simplify right side
    11,257.81x = 79,108,060.28
  5. Step 5: Solve for x
    x = 79,108,060.28/11,257.81
  6. Step 6: Final answer
    x = 7,026.95

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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.