Home / 13,789.51-19,048.90-12,296.95

Finding the Fourth Proportional to 13,789.51, 19,048.90 and 12,296.95

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Solution

The fourth proportional to 13,789.51, 19,048.90 and 12,296.95 is: 16,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.51 : 19,048.90 = 12,296.95 : x
  2. Step 2: Convert to fraction form
    13,789.51/19,048.90 = 12,296.95/x
  3. Step 3: Cross multiply
    13,789.51x = 19,048.90 × 12,296.95
  4. Step 4: Simplify right side
    13,789.51x = 234,243,244.87
  5. Step 5: Solve for x
    x = 234,243,244.87/13,789.51
  6. Step 6: Final answer
    x = 16,987.07

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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.