Home / 20,030.09-27,637.01-11,962.28

Finding the Fourth Proportional to 20,030.09, 27,637.01 and 11,962.28

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Solution

The fourth proportional to 20,030.09, 27,637.01 and 11,962.28 is: 16,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.09 : 27,637.01 = 11,962.28 : x
  2. Step 2: Convert to fraction form
    20,030.09/27,637.01 = 11,962.28/x
  3. Step 3: Cross multiply
    20,030.09x = 27,637.01 × 11,962.28
  4. Step 4: Simplify right side
    20,030.09x = 330,601,661.26
  5. Step 5: Solve for x
    x = 330,601,661.26/20,030.09
  6. Step 6: Final answer
    x = 16,505.26

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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.