Home / 18,484.64-25,509.84-12,192.56

Finding the Fourth Proportional to 18,484.64, 25,509.84 and 12,192.56

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Solution

The fourth proportional to 18,484.64, 25,509.84 and 12,192.56 is: 16,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484.64 : 25,509.84 = 12,192.56 : x
  2. Step 2: Convert to fraction form
    18,484.64/25,509.84 = 12,192.56/x
  3. Step 3: Cross multiply
    18,484.64x = 25,509.84 × 12,192.56
  4. Step 4: Simplify right side
    18,484.64x = 311,030,254.79
  5. Step 5: Solve for x
    x = 311,030,254.79/18,484.64
  6. Step 6: Final answer
    x = 16,826.42

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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.