Home / 10,355.60-14,291.40-6,163.28

Finding the Fourth Proportional to 10,355.60, 14,291.40 and 6,163.28

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Solution

The fourth proportional to 10,355.60, 14,291.40 and 6,163.28 is: 8,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.60 : 14,291.40 = 6,163.28 : x
  2. Step 2: Convert to fraction form
    10,355.60/14,291.40 = 6,163.28/x
  3. Step 3: Cross multiply
    10,355.60x = 14,291.40 × 6,163.28
  4. Step 4: Simplify right side
    10,355.60x = 88,081,899.79
  5. Step 5: Solve for x
    x = 88,081,899.79/10,355.60
  6. Step 6: Final answer
    x = 8,505.73

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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.