Home / 12,935.60-19,374.60-10,631.60

Finding the Fourth Proportional to 12,935.60, 19,374.60 and 10,631.60

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Solution

The fourth proportional to 12,935.60, 19,374.60 and 10,631.60 is: 15,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.60 : 19,374.60 = 10,631.60 : x
  2. Step 2: Convert to fraction form
    12,935.60/19,374.60 = 10,631.60/x
  3. Step 3: Cross multiply
    12,935.60x = 19,374.60 × 10,631.60
  4. Step 4: Simplify right side
    12,935.60x = 205,982,997.36
  5. Step 5: Solve for x
    x = 205,982,997.36/12,935.60
  6. Step 6: Final answer
    x = 15,923.73

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1.5x scale

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.