Home / 19,969.61-27,559.59-11,018.84

Finding the Fourth Proportional to 19,969.61, 27,559.59 and 11,018.84

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Solution

The fourth proportional to 19,969.61, 27,559.59 and 11,018.84 is: 15,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.61 : 27,559.59 = 11,018.84 : x
  2. Step 2: Convert to fraction form
    19,969.61/27,559.59 = 11,018.84/x
  3. Step 3: Cross multiply
    19,969.61x = 27,559.59 × 11,018.84
  4. Step 4: Simplify right side
    19,969.61x = 303,674,712.68
  5. Step 5: Solve for x
    x = 303,674,712.68/19,969.61
  6. Step 6: Final answer
    x = 15,206.84

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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.