Home / 11,708.65-16,158.34-6,403.47

Finding the Fourth Proportional to 11,708.65, 16,158.34 and 6,403.47

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Solution

The fourth proportional to 11,708.65, 16,158.34 and 6,403.47 is: 8,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.65 : 16,158.34 = 6,403.47 : x
  2. Step 2: Convert to fraction form
    11,708.65/16,158.34 = 6,403.47/x
  3. Step 3: Cross multiply
    11,708.65x = 16,158.34 × 6,403.47
  4. Step 4: Simplify right side
    11,708.65x = 103,469,420.08
  5. Step 5: Solve for x
    x = 103,469,420.08/11,708.65
  6. Step 6: Final answer
    x = 8,837.01

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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.