Home / 14,302.40-21,436.32-8,738.24

Finding the Fourth Proportional to 14,302.40, 21,436.32 and 8,738.24

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Solution

The fourth proportional to 14,302.40, 21,436.32 and 8,738.24 is: 13,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.40 : 21,436.32 = 8,738.24 : x
  2. Step 2: Convert to fraction form
    14,302.40/21,436.32 = 8,738.24/x
  3. Step 3: Cross multiply
    14,302.40x = 21,436.32 × 8,738.24
  4. Step 4: Simplify right side
    14,302.40x = 187,315,708.88
  5. Step 5: Solve for x
    x = 187,315,708.88/14,302.40
  6. Step 6: Final answer
    x = 13,096.80

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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.