Home / 18,928.63-26,132.31-12,563.83

Finding the Fourth Proportional to 18,928.63, 26,132.31 and 12,563.83

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Solution

The fourth proportional to 18,928.63, 26,132.31 and 12,563.83 is: 17,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.63 : 26,132.31 = 12,563.83 : x
  2. Step 2: Convert to fraction form
    18,928.63/26,132.31 = 12,563.83/x
  3. Step 3: Cross multiply
    18,928.63x = 26,132.31 × 12,563.83
  4. Step 4: Simplify right side
    18,928.63x = 328,321,900.35
  5. Step 5: Solve for x
    x = 328,321,900.35/18,928.63
  6. Step 6: Final answer
    x = 17,345.25

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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.