Home / 14,704.66-20,283.61-13,720.51

Finding the Fourth Proportional to 14,704.66, 20,283.61 and 13,720.51

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Solution

The fourth proportional to 14,704.66, 20,283.61 and 13,720.51 is: 18,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.66 : 20,283.61 = 13,720.51 : x
  2. Step 2: Convert to fraction form
    14,704.66/20,283.61 = 13,720.51/x
  3. Step 3: Cross multiply
    14,704.66x = 20,283.61 × 13,720.51
  4. Step 4: Simplify right side
    14,704.66x = 278,301,473.84
  5. Step 5: Solve for x
    x = 278,301,473.84/14,704.66
  6. Step 6: Final answer
    x = 18,926.07

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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.