Home / 10,625.21-14,662.98-5,909.49

Finding the Fourth Proportional to 10,625.21, 14,662.98 and 5,909.49

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Solution

The fourth proportional to 10,625.21, 14,662.98 and 5,909.49 is: 8,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.21 : 14,662.98 = 5,909.49 : x
  2. Step 2: Convert to fraction form
    10,625.21/14,662.98 = 5,909.49/x
  3. Step 3: Cross multiply
    10,625.21x = 14,662.98 × 5,909.49
  4. Step 4: Simplify right side
    10,625.21x = 86,650,733.68
  5. Step 5: Solve for x
    x = 86,650,733.68/10,625.21
  6. Step 6: Final answer
    x = 8,155.20

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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.