Home / 11,709.11-16,158.96-6,403.93

Finding the Fourth Proportional to 11,709.11, 16,158.96 and 6,403.93

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Solution

The fourth proportional to 11,709.11, 16,158.96 and 6,403.93 is: 8,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.11 : 16,158.96 = 6,403.93 : x
  2. Step 2: Convert to fraction form
    11,709.11/16,158.96 = 6,403.93/x
  3. Step 3: Cross multiply
    11,709.11x = 16,158.96 × 6,403.93
  4. Step 4: Simplify right side
    11,709.11x = 103,480,848.71
  5. Step 5: Solve for x
    x = 103,480,848.71/11,709.11
  6. Step 6: Final answer
    x = 8,837.64

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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.