Home / 13,980.46-19,293.09-8,012.26

Finding the Fourth Proportional to 13,980.46, 19,293.09 and 8,012.26

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Solution

The fourth proportional to 13,980.46, 19,293.09 and 8,012.26 is: 11,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980.46 : 19,293.09 = 8,012.26 : x
  2. Step 2: Convert to fraction form
    13,980.46/19,293.09 = 8,012.26/x
  3. Step 3: Cross multiply
    13,980.46x = 19,293.09 × 8,012.26
  4. Step 4: Simplify right side
    13,980.46x = 154,581,253.28
  5. Step 5: Solve for x
    x = 154,581,253.28/13,980.46
  6. Step 6: Final answer
    x = 11,056.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.