Home / 19,820.57-27,352.38-10,868.23

Finding the Fourth Proportional to 19,820.57, 27,352.38 and 10,868.23

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Solution

The fourth proportional to 19,820.57, 27,352.38 and 10,868.23 is: 14,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.57 : 27,352.38 = 10,868.23 : x
  2. Step 2: Convert to fraction form
    19,820.57/27,352.38 = 10,868.23/x
  3. Step 3: Cross multiply
    19,820.57x = 27,352.38 × 10,868.23
  4. Step 4: Simplify right side
    19,820.57x = 297,271,956.89
  5. Step 5: Solve for x
    x = 297,271,956.89/19,820.57
  6. Step 6: Final answer
    x = 14,998.15

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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.