Home / 13,040.42-19,523.34-8,649.14

Finding the Fourth Proportional to 13,040.42, 19,523.34 and 8,649.14

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Solution

The fourth proportional to 13,040.42, 19,523.34 and 8,649.14 is: 12,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.42 : 19,523.34 = 8,649.14 : x
  2. Step 2: Convert to fraction form
    13,040.42/19,523.34 = 8,649.14/x
  3. Step 3: Cross multiply
    13,040.42x = 19,523.34 × 8,649.14
  4. Step 4: Simplify right side
    13,040.42x = 168,860,100.93
  5. Step 5: Solve for x
    x = 168,860,100.93/13,040.42
  6. Step 6: Final answer
    x = 12,948.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.