Home / 14,089.28-19,435.04-8,348.40

Finding the Fourth Proportional to 14,089.28, 19,435.04 and 8,348.40

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Solution

The fourth proportional to 14,089.28, 19,435.04 and 8,348.40 is: 11,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.28 : 19,435.04 = 8,348.40 : x
  2. Step 2: Convert to fraction form
    14,089.28/19,435.04 = 8,348.40/x
  3. Step 3: Cross multiply
    14,089.28x = 19,435.04 × 8,348.40
  4. Step 4: Simplify right side
    14,089.28x = 162,251,477.50
  5. Step 5: Solve for x
    x = 162,251,477.50/14,089.28
  6. Step 6: Final answer
    x = 11,515.96

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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.