Home / 11,994.64-16,565.51-9,131.47

Finding the Fourth Proportional to 11,994.64, 16,565.51 and 9,131.47

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Solution

The fourth proportional to 11,994.64, 16,565.51 and 9,131.47 is: 12,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.64 : 16,565.51 = 9,131.47 : x
  2. Step 2: Convert to fraction form
    11,994.64/16,565.51 = 9,131.47/x
  3. Step 3: Cross multiply
    11,994.64x = 16,565.51 × 9,131.47
  4. Step 4: Simplify right side
    11,994.64x = 151,267,457.60
  5. Step 5: Solve for x
    x = 151,267,457.60/11,994.64
  6. Step 6: Final answer
    x = 12,611.25

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Double scale
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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.