Home / 19,955.51-27,539.83-11,002.98

Finding the Fourth Proportional to 19,955.51, 27,539.83 and 11,002.98

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Solution

The fourth proportional to 19,955.51, 27,539.83 and 11,002.98 is: 15,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.51 : 27,539.83 = 11,002.98 : x
  2. Step 2: Convert to fraction form
    19,955.51/27,539.83 = 11,002.98/x
  3. Step 3: Cross multiply
    19,955.51x = 27,539.83 × 11,002.98
  4. Step 4: Simplify right side
    19,955.51x = 303,020,315.72
  5. Step 5: Solve for x
    x = 303,020,315.72/19,955.51
  6. Step 6: Final answer
    x = 15,184.80

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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.