Home / 11,988.64-16,544.40-6,955.86

Finding the Fourth Proportional to 11,988.64, 16,544.40 and 6,955.86

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Solution

The fourth proportional to 11,988.64, 16,544.40 and 6,955.86 is: 9,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.64 : 16,544.40 = 6,955.86 : x
  2. Step 2: Convert to fraction form
    11,988.64/16,544.40 = 6,955.86/x
  3. Step 3: Cross multiply
    11,988.64x = 16,544.40 × 6,955.86
  4. Step 4: Simplify right side
    11,988.64x = 115,080,530.18
  5. Step 5: Solve for x
    x = 115,080,530.18/11,988.64
  6. Step 6: Final answer
    x = 9,599.13

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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.