Home / 21,054.52-31,583.13-8,567.73

Finding the Fourth Proportional to 21,054.52, 31,583.13 and 8,567.73

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Solution

The fourth proportional to 21,054.52, 31,583.13 and 8,567.73 is: 12,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054.52 : 31,583.13 = 8,567.73 : x
  2. Step 2: Convert to fraction form
    21,054.52/31,583.13 = 8,567.73/x
  3. Step 3: Cross multiply
    21,054.52x = 31,583.13 × 8,567.73
  4. Step 4: Simplify right side
    21,054.52x = 270,595,730.39
  5. Step 5: Solve for x
    x = 270,595,730.39/21,054.52
  6. Step 6: Final answer
    x = 12,852.14

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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.