Home / 13,236.73-19,710.01-12,763.69

Finding the Fourth Proportional to 13,236.73, 19,710.01 and 12,763.69

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Solution

The fourth proportional to 13,236.73, 19,710.01 and 12,763.69 is: 19,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.73 : 19,710.01 = 12,763.69 : x
  2. Step 2: Convert to fraction form
    13,236.73/19,710.01 = 12,763.69/x
  3. Step 3: Cross multiply
    13,236.73x = 19,710.01 × 12,763.69
  4. Step 4: Simplify right side
    13,236.73x = 251,572,489.45
  5. Step 5: Solve for x
    x = 251,572,489.45/13,236.73
  6. Step 6: Final answer
    x = 19,005.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.