Home / 14,112.63-19,459.53-9,638.82

Finding the Fourth Proportional to 14,112.63, 19,459.53 and 9,638.82

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Solution

The fourth proportional to 14,112.63, 19,459.53 and 9,638.82 is: 13,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.63 : 19,459.53 = 9,638.82 : x
  2. Step 2: Convert to fraction form
    14,112.63/19,459.53 = 9,638.82/x
  3. Step 3: Cross multiply
    14,112.63x = 19,459.53 × 9,638.82
  4. Step 4: Simplify right side
    14,112.63x = 187,566,906.95
  5. Step 5: Solve for x
    x = 187,566,906.95/14,112.63
  6. Step 6: Final answer
    x = 13,290.71

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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.