Home / 13,996.59-19,314.02-8,330.43

Finding the Fourth Proportional to 13,996.59, 19,314.02 and 8,330.43

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Solution

The fourth proportional to 13,996.59, 19,314.02 and 8,330.43 is: 11,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.59 : 19,314.02 = 8,330.43 : x
  2. Step 2: Convert to fraction form
    13,996.59/19,314.02 = 8,330.43/x
  3. Step 3: Cross multiply
    13,996.59x = 19,314.02 × 8,330.43
  4. Step 4: Simplify right side
    13,996.59x = 160,894,112.45
  5. Step 5: Solve for x
    x = 160,894,112.45/13,996.59
  6. Step 6: Final answer
    x = 11,495.24

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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.