Home / 13,014.21-17,959.58-7,045.88

Finding the Fourth Proportional to 13,014.21, 17,959.58 and 7,045.88

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Solution

The fourth proportional to 13,014.21, 17,959.58 and 7,045.88 is: 9,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.21 : 17,959.58 = 7,045.88 : x
  2. Step 2: Convert to fraction form
    13,014.21/17,959.58 = 7,045.88/x
  3. Step 3: Cross multiply
    13,014.21x = 17,959.58 × 7,045.88
  4. Step 4: Simplify right side
    13,014.21x = 126,540,973.35
  5. Step 5: Solve for x
    x = 126,540,973.35/13,014.21
  6. Step 6: Final answer
    x = 9,723.30

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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.