Home / 10,208.61-14,096.75-6,438.51

Finding the Fourth Proportional to 10,208.61, 14,096.75 and 6,438.51

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Solution

The fourth proportional to 10,208.61, 14,096.75 and 6,438.51 is: 8,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.61 : 14,096.75 = 6,438.51 : x
  2. Step 2: Convert to fraction form
    10,208.61/14,096.75 = 6,438.51/x
  3. Step 3: Cross multiply
    10,208.61x = 14,096.75 × 6,438.51
  4. Step 4: Simplify right side
    10,208.61x = 90,762,033.65
  5. Step 5: Solve for x
    x = 90,762,033.65/10,208.61
  6. Step 6: Final answer
    x = 8,890.73

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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.