Home / 19,652.88-27,119.61-11,155.17

Finding the Fourth Proportional to 19,652.88, 27,119.61 and 11,155.17

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Solution

The fourth proportional to 19,652.88, 27,119.61 and 11,155.17 is: 15,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.88 : 27,119.61 = 11,155.17 : x
  2. Step 2: Convert to fraction form
    19,652.88/27,119.61 = 11,155.17/x
  3. Step 3: Cross multiply
    19,652.88x = 27,119.61 × 11,155.17
  4. Step 4: Simplify right side
    19,652.88x = 302,523,809.03
  5. Step 5: Solve for x
    x = 302,523,809.03/19,652.88
  6. Step 6: Final answer
    x = 15,393.36

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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.