Home / 10,636.44-14,679.03-7,045.21

Finding the Fourth Proportional to 10,636.44, 14,679.03 and 7,045.21

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Solution

The fourth proportional to 10,636.44, 14,679.03 and 7,045.21 is: 9,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.44 : 14,679.03 = 7,045.21 : x
  2. Step 2: Convert to fraction form
    10,636.44/14,679.03 = 7,045.21/x
  3. Step 3: Cross multiply
    10,636.44x = 14,679.03 × 7,045.21
  4. Step 4: Simplify right side
    10,636.44x = 103,416,848.95
  5. Step 5: Solve for x
    x = 103,416,848.95/10,636.44
  6. Step 6: Final answer
    x = 9,722.88

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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.