Home / 12,474.37-17,216.85-7,438.93

Finding the Fourth Proportional to 12,474.37, 17,216.85 and 7,438.93

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Solution

The fourth proportional to 12,474.37, 17,216.85 and 7,438.93 is: 10,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.37 : 17,216.85 = 7,438.93 : x
  2. Step 2: Convert to fraction form
    12,474.37/17,216.85 = 7,438.93/x
  3. Step 3: Cross multiply
    12,474.37x = 17,216.85 × 7,438.93
  4. Step 4: Simplify right side
    12,474.37x = 128,074,941.97
  5. Step 5: Solve for x
    x = 128,074,941.97/12,474.37
  6. Step 6: Final answer
    x = 10,267.05

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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.