Home / 13,743.70-18,953.80-11,623.68

Finding the Fourth Proportional to 13,743.70, 18,953.80 and 11,623.68

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Solution

The fourth proportional to 13,743.70, 18,953.80 and 11,623.68 is: 16,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.70 : 18,953.80 = 11,623.68 : x
  2. Step 2: Convert to fraction form
    13,743.70/18,953.80 = 11,623.68/x
  3. Step 3: Cross multiply
    13,743.70x = 18,953.80 × 11,623.68
  4. Step 4: Simplify right side
    13,743.70x = 220,312,905.98
  5. Step 5: Solve for x
    x = 220,312,905.98/13,743.70
  6. Step 6: Final answer
    x = 16,030.10

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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.