Home / 19,627.32-27,085.12-11,130.22

Finding the Fourth Proportional to 19,627.32, 27,085.12 and 11,130.22

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Solution

The fourth proportional to 19,627.32, 27,085.12 and 11,130.22 is: 15,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.32 : 27,085.12 = 11,130.22 : x
  2. Step 2: Convert to fraction form
    19,627.32/27,085.12 = 11,130.22/x
  3. Step 3: Cross multiply
    19,627.32x = 27,085.12 × 11,130.22
  4. Step 4: Simplify right side
    19,627.32x = 301,463,208.90
  5. Step 5: Solve for x
    x = 301,463,208.90/19,627.32
  6. Step 6: Final answer
    x = 15,359.37

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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.