Home / 14,418.59-19,897.65-8,130.96

Finding the Fourth Proportional to 14,418.59, 19,897.65 and 8,130.96

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Solution

The fourth proportional to 14,418.59, 19,897.65 and 8,130.96 is: 11,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.59 : 19,897.65 = 8,130.96 : x
  2. Step 2: Convert to fraction form
    14,418.59/19,897.65 = 8,130.96/x
  3. Step 3: Cross multiply
    14,418.59x = 19,897.65 × 8,130.96
  4. Step 4: Simplify right side
    14,418.59x = 161,786,996.24
  5. Step 5: Solve for x
    x = 161,786,996.24/14,418.59
  6. Step 6: Final answer
    x = 11,220.73

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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.