Home / 16,970.10-23,440.38-13,039.44

Finding the Fourth Proportional to 16,970.10, 23,440.38 and 13,039.44

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Solution

The fourth proportional to 16,970.10, 23,440.38 and 13,039.44 is: 18,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.10 : 23,440.38 = 13,039.44 : x
  2. Step 2: Convert to fraction form
    16,970.10/23,440.38 = 13,039.44/x
  3. Step 3: Cross multiply
    16,970.10x = 23,440.38 × 13,039.44
  4. Step 4: Simplify right side
    16,970.10x = 305,649,428.59
  5. Step 5: Solve for x
    x = 305,649,428.59/16,970.10
  6. Step 6: Final answer
    x = 18,011.06

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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.