Home / 18,392.42-25,366.80-12,018.52

Finding the Fourth Proportional to 18,392.42, 25,366.80 and 12,018.52

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Solution

The fourth proportional to 18,392.42, 25,366.80 and 12,018.52 is: 16,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.42 : 25,366.80 = 12,018.52 : x
  2. Step 2: Convert to fraction form
    18,392.42/25,366.80 = 12,018.52/x
  3. Step 3: Cross multiply
    18,392.42x = 25,366.80 × 12,018.52
  4. Step 4: Simplify right side
    18,392.42x = 304,871,393.14
  5. Step 5: Solve for x
    x = 304,871,393.14/18,392.42
  6. Step 6: Final answer
    x = 16,575.93

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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.