Home / 14,391.41-21,572.53-6,989.63

Finding the Fourth Proportional to 14,391.41, 21,572.53 and 6,989.63

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Solution

The fourth proportional to 14,391.41, 21,572.53 and 6,989.63 is: 10,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.41 : 21,572.53 = 6,989.63 : x
  2. Step 2: Convert to fraction form
    14,391.41/21,572.53 = 6,989.63/x
  3. Step 3: Cross multiply
    14,391.41x = 21,572.53 × 6,989.63
  4. Step 4: Simplify right side
    14,391.41x = 150,783,877.53
  5. Step 5: Solve for x
    x = 150,783,877.53/14,391.41
  6. Step 6: Final answer
    x = 10,477.36

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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.