Home / 16,905.63-23,322.01-10,939.25

Finding the Fourth Proportional to 16,905.63, 23,322.01 and 10,939.25

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Solution

The fourth proportional to 16,905.63, 23,322.01 and 10,939.25 is: 15,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.63 : 23,322.01 = 10,939.25 : x
  2. Step 2: Convert to fraction form
    16,905.63/23,322.01 = 10,939.25/x
  3. Step 3: Cross multiply
    16,905.63x = 23,322.01 × 10,939.25
  4. Step 4: Simplify right side
    16,905.63x = 255,125,297.89
  5. Step 5: Solve for x
    x = 255,125,297.89/16,905.63
  6. Step 6: Final answer
    x = 15,091.14

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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.