Home / 19,758.55-27,265.79-10,804.31

Finding the Fourth Proportional to 19,758.55, 27,265.79 and 10,804.31

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Solution

The fourth proportional to 19,758.55, 27,265.79 and 10,804.31 is: 14,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.55 : 27,265.79 = 10,804.31 : x
  2. Step 2: Convert to fraction form
    19,758.55/27,265.79 = 10,804.31/x
  3. Step 3: Cross multiply
    19,758.55x = 27,265.79 × 10,804.31
  4. Step 4: Simplify right side
    19,758.55x = 294,587,993.53
  5. Step 5: Solve for x
    x = 294,587,993.53/19,758.55
  6. Step 6: Final answer
    x = 14,909.40

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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.