Home / 14,986.96-20,665.80-10,210

Finding the Fourth Proportional to 14,986.96, 20,665.80 and 10,210

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Solution

The fourth proportional to 14,986.96, 20,665.80 and 10,210 is: 14,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.96 : 20,665.80 = 10,210 : x
  2. Step 2: Convert to fraction form
    14,986.96/20,665.80 = 10,210/x
  3. Step 3: Cross multiply
    14,986.96x = 20,665.80 × 10,210
  4. Step 4: Simplify right side
    14,986.96x = 210,997,818
  5. Step 5: Solve for x
    x = 210,997,818/14,986.96
  6. Step 6: Final answer
    x = 14,078.76

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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.