Home / 19,577.09-27,017.71-11,079.20

Finding the Fourth Proportional to 19,577.09, 27,017.71 and 11,079.20

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Solution

The fourth proportional to 19,577.09, 27,017.71 and 11,079.20 is: 15,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.09 : 27,017.71 = 11,079.20 : x
  2. Step 2: Convert to fraction form
    19,577.09/27,017.71 = 11,079.20/x
  3. Step 3: Cross multiply
    19,577.09x = 27,017.71 × 11,079.20
  4. Step 4: Simplify right side
    19,577.09x = 299,334,652.48
  5. Step 5: Solve for x
    x = 299,334,652.48/19,577.09
  6. Step 6: Final answer
    x = 15,290.05

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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.