Home / 19,761.08-27,270.68-10,808.55

Finding the Fourth Proportional to 19,761.08, 27,270.68 and 10,808.55

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Solution

The fourth proportional to 19,761.08, 27,270.68 and 10,808.55 is: 14,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.08 : 27,270.68 = 10,808.55 : x
  2. Step 2: Convert to fraction form
    19,761.08/27,270.68 = 10,808.55/x
  3. Step 3: Cross multiply
    19,761.08x = 27,270.68 × 10,808.55
  4. Step 4: Simplify right side
    19,761.08x = 294,756,454.27
  5. Step 5: Solve for x
    x = 294,756,454.27/19,761.08
  6. Step 6: Final answer
    x = 14,916.01

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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.