Home / 14,254.38-21,370.64-8,710.34

Finding the Fourth Proportional to 14,254.38, 21,370.64 and 8,710.34

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Solution

The fourth proportional to 14,254.38, 21,370.64 and 8,710.34 is: 13,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.38 : 21,370.64 = 8,710.34 : x
  2. Step 2: Convert to fraction form
    14,254.38/21,370.64 = 8,710.34/x
  3. Step 3: Cross multiply
    14,254.38x = 21,370.64 × 8,710.34
  4. Step 4: Simplify right side
    14,254.38x = 186,145,390.01
  5. Step 5: Solve for x
    x = 186,145,390.01/14,254.38
  6. Step 6: Final answer
    x = 13,058.82

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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.