Home / 12,237.40-18,356.80-3,471.63

Finding the Fourth Proportional to 12,237.40, 18,356.80 and 3,471.63

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Solution

The fourth proportional to 12,237.40, 18,356.80 and 3,471.63 is: 5,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.40 : 18,356.80 = 3,471.63 : x
  2. Step 2: Convert to fraction form
    12,237.40/18,356.80 = 3,471.63/x
  3. Step 3: Cross multiply
    12,237.40x = 18,356.80 × 3,471.63
  4. Step 4: Simplify right side
    12,237.40x = 63,728,017.58
  5. Step 5: Solve for x
    x = 63,728,017.58/12,237.40
  6. Step 6: Final answer
    x = 5,207.64

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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.