Home / 13,519.51-18,521.40-13,014.12

Finding the Fourth Proportional to 13,519.51, 18,521.40 and 13,014.12

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Solution

The fourth proportional to 13,519.51, 18,521.40 and 13,014.12 is: 17,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.51 : 18,521.40 = 13,014.12 : x
  2. Step 2: Convert to fraction form
    13,519.51/18,521.40 = 13,014.12/x
  3. Step 3: Cross multiply
    13,519.51x = 18,521.40 × 13,014.12
  4. Step 4: Simplify right side
    13,519.51x = 241,039,840.43
  5. Step 5: Solve for x
    x = 241,039,840.43/13,519.51
  6. Step 6: Final answer
    x = 17,829.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.