Home / 19,821.04-27,352.44-10,868.40

Finding the Fourth Proportional to 19,821.04, 27,352.44 and 10,868.40

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Solution

The fourth proportional to 19,821.04, 27,352.44 and 10,868.40 is: 14,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.04 : 27,352.44 = 10,868.40 : x
  2. Step 2: Convert to fraction form
    19,821.04/27,352.44 = 10,868.40/x
  3. Step 3: Cross multiply
    19,821.04x = 27,352.44 × 10,868.40
  4. Step 4: Simplify right side
    19,821.04x = 297,277,258.90
  5. Step 5: Solve for x
    x = 297,277,258.90/19,821.04
  6. Step 6: Final answer
    x = 14,998.07

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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.