Home / 12,575.32-18,859.90-4,568.78

Finding the Fourth Proportional to 12,575.32, 18,859.90 and 4,568.78

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Solution

The fourth proportional to 12,575.32, 18,859.90 and 4,568.78 is: 6,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.32 : 18,859.90 = 4,568.78 : x
  2. Step 2: Convert to fraction form
    12,575.32/18,859.90 = 4,568.78/x
  3. Step 3: Cross multiply
    12,575.32x = 18,859.90 × 4,568.78
  4. Step 4: Simplify right side
    12,575.32x = 86,166,733.92
  5. Step 5: Solve for x
    x = 86,166,733.92/12,575.32
  6. Step 6: Final answer
    x = 6,852.05

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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.