Home / 13,496.79-18,615.92-11,701.05

Finding the Fourth Proportional to 13,496.79, 18,615.92 and 11,701.05

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Solution

The fourth proportional to 13,496.79, 18,615.92 and 11,701.05 is: 16,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.79 : 18,615.92 = 11,701.05 : x
  2. Step 2: Convert to fraction form
    13,496.79/18,615.92 = 11,701.05/x
  3. Step 3: Cross multiply
    13,496.79x = 18,615.92 × 11,701.05
  4. Step 4: Simplify right side
    13,496.79x = 217,825,752.21
  5. Step 5: Solve for x
    x = 217,825,752.21/13,496.79
  6. Step 6: Final answer
    x = 16,139.08

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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.