Home / 19,619.76-27,075.28-11,237.88

Finding the Fourth Proportional to 19,619.76, 27,075.28 and 11,237.88

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Solution

The fourth proportional to 19,619.76, 27,075.28 and 11,237.88 is: 15,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.76 : 27,075.28 = 11,237.88 : x
  2. Step 2: Convert to fraction form
    19,619.76/27,075.28 = 11,237.88/x
  3. Step 3: Cross multiply
    19,619.76x = 27,075.28 × 11,237.88
  4. Step 4: Simplify right side
    19,619.76x = 304,268,747.61
  5. Step 5: Solve for x
    x = 304,268,747.61/19,619.76
  6. Step 6: Final answer
    x = 15,508.28

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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.