Home / 14,390.28-19,858.50-8,104.68

Finding the Fourth Proportional to 14,390.28, 19,858.50 and 8,104.68

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Solution

The fourth proportional to 14,390.28, 19,858.50 and 8,104.68 is: 11,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.28 : 19,858.50 = 8,104.68 : x
  2. Step 2: Convert to fraction form
    14,390.28/19,858.50 = 8,104.68/x
  3. Step 3: Cross multiply
    14,390.28x = 19,858.50 × 8,104.68
  4. Step 4: Simplify right side
    14,390.28x = 160,946,787.78
  5. Step 5: Solve for x
    x = 160,946,787.78/14,390.28
  6. Step 6: Final answer
    x = 11,184.41

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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.