Home / 21,795.91-30,070.62-14,246.60

Finding the Fourth Proportional to 21,795.91, 30,070.62 and 14,246.60

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Solution

The fourth proportional to 21,795.91, 30,070.62 and 14,246.60 is: 19,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.91 : 30,070.62 = 14,246.60 : x
  2. Step 2: Convert to fraction form
    21,795.91/30,070.62 = 14,246.60/x
  3. Step 3: Cross multiply
    21,795.91x = 30,070.62 × 14,246.60
  4. Step 4: Simplify right side
    21,795.91x = 428,403,944.54
  5. Step 5: Solve for x
    x = 428,403,944.54/21,795.91
  6. Step 6: Final answer
    x = 19,655.25

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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.