Home / 20,583.34-28,394.58-13,016.92

Finding the Fourth Proportional to 20,583.34, 28,394.58 and 13,016.92

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Solution

The fourth proportional to 20,583.34, 28,394.58 and 13,016.92 is: 17,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.34 : 28,394.58 = 13,016.92 : x
  2. Step 2: Convert to fraction form
    20,583.34/28,394.58 = 13,016.92/x
  3. Step 3: Cross multiply
    20,583.34x = 28,394.58 × 13,016.92
  4. Step 4: Simplify right side
    20,583.34x = 369,609,976.29
  5. Step 5: Solve for x
    x = 369,609,976.29/20,583.34
  6. Step 6: Final answer
    x = 17,956.75

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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.