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Finding the Fourth Proportional to 25,151.63, 34,709.24 and 13,973.63

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Solution

The fourth proportional to 25,151.63, 34,709.24 and 13,973.63 is: 19,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.63 : 34,709.24 = 13,973.63 : x
  2. Step 2: Convert to fraction form
    25,151.63/34,709.24 = 13,973.63/x
  3. Step 3: Cross multiply
    25,151.63x = 34,709.24 × 13,973.63
  4. Step 4: Simplify right side
    25,151.63x = 485,013,938.73
  5. Step 5: Solve for x
    x = 485,013,938.73/25,151.63
  6. Step 6: Final answer
    x = 19,283.60

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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.