Home / 19,479.28-26,874.84-11,089.84

Finding the Fourth Proportional to 19,479.28, 26,874.84 and 11,089.84

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Solution

The fourth proportional to 19,479.28, 26,874.84 and 11,089.84 is: 15,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.28 : 26,874.84 = 11,089.84 : x
  2. Step 2: Convert to fraction form
    19,479.28/26,874.84 = 11,089.84/x
  3. Step 3: Cross multiply
    19,479.28x = 26,874.84 × 11,089.84
  4. Step 4: Simplify right side
    19,479.28x = 298,037,675.63
  5. Step 5: Solve for x
    x = 298,037,675.63/19,479.28
  6. Step 6: Final answer
    x = 15,300.24

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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.