Home / 10,459.12-14,435.04-6,481.36

Finding the Fourth Proportional to 10,459.12, 14,435.04 and 6,481.36

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Solution

The fourth proportional to 10,459.12, 14,435.04 and 6,481.36 is: 8,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.12 : 14,435.04 = 6,481.36 : x
  2. Step 2: Convert to fraction form
    10,459.12/14,435.04 = 6,481.36/x
  3. Step 3: Cross multiply
    10,459.12x = 14,435.04 × 6,481.36
  4. Step 4: Simplify right side
    10,459.12x = 93,558,690.85
  5. Step 5: Solve for x
    x = 93,558,690.85/10,459.12
  6. Step 6: Final answer
    x = 8,945.18

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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.