Home / 11,784.28-16,263-6,479.08

Finding the Fourth Proportional to 11,784.28, 16,263 and 6,479.08

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Solution

The fourth proportional to 11,784.28, 16,263 and 6,479.08 is: 8,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.28 : 16,263 = 6,479.08 : x
  2. Step 2: Convert to fraction form
    11,784.28/16,263 = 6,479.08/x
  3. Step 3: Cross multiply
    11,784.28x = 16,263 × 6,479.08
  4. Step 4: Simplify right side
    11,784.28x = 105,369,278.04
  5. Step 5: Solve for x
    x = 105,369,278.04/11,784.28
  6. Step 6: Final answer
    x = 8,941.51

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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.