Home / 12,901.26-19,343.88-8,453.45

Finding the Fourth Proportional to 12,901.26, 19,343.88 and 8,453.45

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Solution

The fourth proportional to 12,901.26, 19,343.88 and 8,453.45 is: 12,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.26 : 19,343.88 = 8,453.45 : x
  2. Step 2: Convert to fraction form
    12,901.26/19,343.88 = 8,453.45/x
  3. Step 3: Cross multiply
    12,901.26x = 19,343.88 × 8,453.45
  4. Step 4: Simplify right side
    12,901.26x = 163,522,425.67
  5. Step 5: Solve for x
    x = 163,522,425.67/12,901.26
  6. Step 6: Final answer
    x = 12,674.92

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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.