Home / 10,447.21-14,415.09-6,197.48

Finding the Fourth Proportional to 10,447.21, 14,415.09 and 6,197.48

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Solution

The fourth proportional to 10,447.21, 14,415.09 and 6,197.48 is: 8,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.21 : 14,415.09 = 6,197.48 : x
  2. Step 2: Convert to fraction form
    10,447.21/14,415.09 = 6,197.48/x
  3. Step 3: Cross multiply
    10,447.21x = 14,415.09 × 6,197.48
  4. Step 4: Simplify right side
    10,447.21x = 89,337,159.90
  5. Step 5: Solve for x
    x = 89,337,159.90/10,447.21
  6. Step 6: Final answer
    x = 8,551.29

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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.