Home / 19,913.95-27,480.72-10,839.50

Finding the Fourth Proportional to 19,913.95, 27,480.72 and 10,839.50

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Solution

The fourth proportional to 19,913.95, 27,480.72 and 10,839.50 is: 14,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.95 : 27,480.72 = 10,839.50 : x
  2. Step 2: Convert to fraction form
    19,913.95/27,480.72 = 10,839.50/x
  3. Step 3: Cross multiply
    19,913.95x = 27,480.72 × 10,839.50
  4. Step 4: Simplify right side
    19,913.95x = 297,877,264.44
  5. Step 5: Solve for x
    x = 297,877,264.44/19,913.95
  6. Step 6: Final answer
    x = 14,958.22

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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.