Home / 15,683.96-21,632.46-10,383.32

Finding the Fourth Proportional to 15,683.96, 21,632.46 and 10,383.32

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Solution

The fourth proportional to 15,683.96, 21,632.46 and 10,383.32 is: 14,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.96 : 21,632.46 = 10,383.32 : x
  2. Step 2: Convert to fraction form
    15,683.96/21,632.46 = 10,383.32/x
  3. Step 3: Cross multiply
    15,683.96x = 21,632.46 × 10,383.32
  4. Step 4: Simplify right side
    15,683.96x = 224,616,754.57
  5. Step 5: Solve for x
    x = 224,616,754.57/15,683.96
  6. Step 6: Final answer
    x = 14,321.43

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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.