Home / 11,941.24-16,479.54-6,636.16

Finding the Fourth Proportional to 11,941.24, 16,479.54 and 6,636.16

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Solution

The fourth proportional to 11,941.24, 16,479.54 and 6,636.16 is: 9,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.24 : 16,479.54 = 6,636.16 : x
  2. Step 2: Convert to fraction form
    11,941.24/16,479.54 = 6,636.16/x
  3. Step 3: Cross multiply
    11,941.24x = 16,479.54 × 6,636.16
  4. Step 4: Simplify right side
    11,941.24x = 109,360,864.17
  5. Step 5: Solve for x
    x = 109,360,864.17/11,941.24
  6. Step 6: Final answer
    x = 9,158.25

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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.