Home / 19,742.07-27,245.36-11,130.38

Finding the Fourth Proportional to 19,742.07, 27,245.36 and 11,130.38

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Solution

The fourth proportional to 19,742.07, 27,245.36 and 11,130.38 is: 15,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.07 : 27,245.36 = 11,130.38 : x
  2. Step 2: Convert to fraction form
    19,742.07/27,245.36 = 11,130.38/x
  3. Step 3: Cross multiply
    19,742.07x = 27,245.36 × 11,130.38
  4. Step 4: Simplify right side
    19,742.07x = 303,251,018.16
  5. Step 5: Solve for x
    x = 303,251,018.16/19,742.07
  6. Step 6: Final answer
    x = 15,360.65

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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.