Home / 12,756.68-19,134.48-4,438.58

Finding the Fourth Proportional to 12,756.68, 19,134.48 and 4,438.58

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Solution

The fourth proportional to 12,756.68, 19,134.48 and 4,438.58 is: 6,657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.68 : 19,134.48 = 4,438.58 : x
  2. Step 2: Convert to fraction form
    12,756.68/19,134.48 = 4,438.58/x
  3. Step 3: Cross multiply
    12,756.68x = 19,134.48 × 4,438.58
  4. Step 4: Simplify right side
    12,756.68x = 84,929,920.24
  5. Step 5: Solve for x
    x = 84,929,920.24/12,756.68
  6. Step 6: Final answer
    x = 6,657.68

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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.