Home / 14,472.40-21,708.60-8,907.70

Finding the Fourth Proportional to 14,472.40, 21,708.60 and 8,907.70

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Solution

The fourth proportional to 14,472.40, 21,708.60 and 8,907.70 is: 13,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.40 : 21,708.60 = 8,907.70 : x
  2. Step 2: Convert to fraction form
    14,472.40/21,708.60 = 8,907.70/x
  3. Step 3: Cross multiply
    14,472.40x = 21,708.60 × 8,907.70
  4. Step 4: Simplify right side
    14,472.40x = 193,373,696.22
  5. Step 5: Solve for x
    x = 193,373,696.22/14,472.40
  6. Step 6: Final answer
    x = 13,361.55

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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.