Home / 14,103.79-19,447.50-9,629.89

Finding the Fourth Proportional to 14,103.79, 19,447.50 and 9,629.89

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Solution

The fourth proportional to 14,103.79, 19,447.50 and 9,629.89 is: 13,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.79 : 19,447.50 = 9,629.89 : x
  2. Step 2: Convert to fraction form
    14,103.79/19,447.50 = 9,629.89/x
  3. Step 3: Cross multiply
    14,103.79x = 19,447.50 × 9,629.89
  4. Step 4: Simplify right side
    14,103.79x = 187,277,285.78
  5. Step 5: Solve for x
    x = 187,277,285.78/14,103.79
  6. Step 6: Final answer
    x = 13,278.51

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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.