Home / 10,435.80-14,393.34-6,239.64

Finding the Fourth Proportional to 10,435.80, 14,393.34 and 6,239.64

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Solution

The fourth proportional to 10,435.80, 14,393.34 and 6,239.64 is: 8,605.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.80 : 14,393.34 = 6,239.64 : x
  2. Step 2: Convert to fraction form
    10,435.80/14,393.34 = 6,239.64/x
  3. Step 3: Cross multiply
    10,435.80x = 14,393.34 × 6,239.64
  4. Step 4: Simplify right side
    10,435.80x = 89,809,260.00
  5. Step 5: Solve for x
    x = 89,809,260.00/10,435.80
  6. Step 6: Final answer
    x = 8,605.88

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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.