Home / 19,821.68-27,353.98-10,747.07

Finding the Fourth Proportional to 19,821.68, 27,353.98 and 10,747.07

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Solution

The fourth proportional to 19,821.68, 27,353.98 and 10,747.07 is: 14,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.68 : 27,353.98 = 10,747.07 : x
  2. Step 2: Convert to fraction form
    19,821.68/27,353.98 = 10,747.07/x
  3. Step 3: Cross multiply
    19,821.68x = 27,353.98 × 10,747.07
  4. Step 4: Simplify right side
    19,821.68x = 293,975,137.84
  5. Step 5: Solve for x
    x = 293,975,137.84/19,821.68
  6. Step 6: Final answer
    x = 14,830.99

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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.