Home / 12,859.68-19,298.12-4,539.76

Finding the Fourth Proportional to 12,859.68, 19,298.12 and 4,539.76

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Solution

The fourth proportional to 12,859.68, 19,298.12 and 4,539.76 is: 6,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.68 : 19,298.12 = 4,539.76 : x
  2. Step 2: Convert to fraction form
    12,859.68/19,298.12 = 4,539.76/x
  3. Step 3: Cross multiply
    12,859.68x = 19,298.12 × 4,539.76
  4. Step 4: Simplify right side
    12,859.68x = 87,608,833.25
  5. Step 5: Solve for x
    x = 87,608,833.25/12,859.68
  6. Step 6: Final answer
    x = 6,812.68

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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.