Home / 12,124.40-18,157.92-6,846.56

Finding the Fourth Proportional to 12,124.40, 18,157.92 and 6,846.56

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Solution

The fourth proportional to 12,124.40, 18,157.92 and 6,846.56 is: 10,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.40 : 18,157.92 = 6,846.56 : x
  2. Step 2: Convert to fraction form
    12,124.40/18,157.92 = 6,846.56/x
  3. Step 3: Cross multiply
    12,124.40x = 18,157.92 × 6,846.56
  4. Step 4: Simplify right side
    12,124.40x = 124,319,288.76
  5. Step 5: Solve for x
    x = 124,319,288.76/12,124.40
  6. Step 6: Final answer
    x = 10,253.64

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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.