Home / 14,052.59-19,392.41-8,390.99

Finding the Fourth Proportional to 14,052.59, 19,392.41 and 8,390.99

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Solution

The fourth proportional to 14,052.59, 19,392.41 and 8,390.99 is: 11,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.59 : 19,392.41 = 8,390.99 : x
  2. Step 2: Convert to fraction form
    14,052.59/19,392.41 = 8,390.99/x
  3. Step 3: Cross multiply
    14,052.59x = 19,392.41 × 8,390.99
  4. Step 4: Simplify right side
    14,052.59x = 162,721,587.84
  5. Step 5: Solve for x
    x = 162,721,587.84/14,052.59
  6. Step 6: Final answer
    x = 11,579.47

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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.