Home / 10,245.12-14,141.04-9,625.60

Finding the Fourth Proportional to 10,245.12, 14,141.04 and 9,625.60

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Solution

The fourth proportional to 10,245.12, 14,141.04 and 9,625.60 is: 13,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.12 : 14,141.04 = 9,625.60 : x
  2. Step 2: Convert to fraction form
    10,245.12/14,141.04 = 9,625.60/x
  3. Step 3: Cross multiply
    10,245.12x = 14,141.04 × 9,625.60
  4. Step 4: Simplify right side
    10,245.12x = 136,115,994.62
  5. Step 5: Solve for x
    x = 136,115,994.62/10,245.12
  6. Step 6: Final answer
    x = 13,285.93

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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.