Home / 17,235.73-25,866.47-12,803.64

Finding the Fourth Proportional to 17,235.73, 25,866.47 and 12,803.64

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Solution

The fourth proportional to 17,235.73, 25,866.47 and 12,803.64 is: 19,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.73 : 25,866.47 = 12,803.64 : x
  2. Step 2: Convert to fraction form
    17,235.73/25,866.47 = 12,803.64/x
  3. Step 3: Cross multiply
    17,235.73x = 25,866.47 × 12,803.64
  4. Step 4: Simplify right side
    17,235.73x = 331,184,969.95
  5. Step 5: Solve for x
    x = 331,184,969.95/17,235.73
  6. Step 6: Final answer
    x = 19,215.02

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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.