Home / 18,966.54-28,425.33-9,085.26

Finding the Fourth Proportional to 18,966.54, 28,425.33 and 9,085.26

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Solution

The fourth proportional to 18,966.54, 28,425.33 and 9,085.26 is: 13,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.54 : 28,425.33 = 9,085.26 : x
  2. Step 2: Convert to fraction form
    18,966.54/28,425.33 = 9,085.26/x
  3. Step 3: Cross multiply
    18,966.54x = 28,425.33 × 9,085.26
  4. Step 4: Simplify right side
    18,966.54x = 258,251,513.64
  5. Step 5: Solve for x
    x = 258,251,513.64/18,966.54
  6. Step 6: Final answer
    x = 13,616.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.