Home / 16,720.45-23,076.57-10,349.09

Finding the Fourth Proportional to 16,720.45, 23,076.57 and 10,349.09

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Solution

The fourth proportional to 16,720.45, 23,076.57 and 10,349.09 is: 14,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.45 : 23,076.57 = 10,349.09 : x
  2. Step 2: Convert to fraction form
    16,720.45/23,076.57 = 10,349.09/x
  3. Step 3: Cross multiply
    16,720.45x = 23,076.57 × 10,349.09
  4. Step 4: Simplify right side
    16,720.45x = 238,821,384.44
  5. Step 5: Solve for x
    x = 238,821,384.44/16,720.45
  6. Step 6: Final answer
    x = 14,283.19

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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.