Home / 10,705.20-16,058.20-2,913.98

Finding the Fourth Proportional to 10,705.20, 16,058.20 and 2,913.98

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Solution

The fourth proportional to 10,705.20, 16,058.20 and 2,913.98 is: 4,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.20 : 16,058.20 = 2,913.98 : x
  2. Step 2: Convert to fraction form
    10,705.20/16,058.20 = 2,913.98/x
  3. Step 3: Cross multiply
    10,705.20x = 16,058.20 × 2,913.98
  4. Step 4: Simplify right side
    10,705.20x = 46,793,273.64
  5. Step 5: Solve for x
    x = 46,793,273.64/10,705.20
  6. Step 6: Final answer
    x = 4,371.08

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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.