Home / 16,970.70-23,419.56-9,418.26

Finding the Fourth Proportional to 16,970.70, 23,419.56 and 9,418.26

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Solution

The fourth proportional to 16,970.70, 23,419.56 and 9,418.26 is: 12,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.70 : 23,419.56 = 9,418.26 : x
  2. Step 2: Convert to fraction form
    16,970.70/23,419.56 = 9,418.26/x
  3. Step 3: Cross multiply
    16,970.70x = 23,419.56 × 9,418.26
  4. Step 4: Simplify right side
    16,970.70x = 220,571,505.17
  5. Step 5: Solve for x
    x = 220,571,505.17/16,970.70
  6. Step 6: Final answer
    x = 12,997.20

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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.