Home / 11,878.64-16,392.57-6,501.23

Finding the Fourth Proportional to 11,878.64, 16,392.57 and 6,501.23

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Solution

The fourth proportional to 11,878.64, 16,392.57 and 6,501.23 is: 8,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.64 : 16,392.57 = 6,501.23 : x
  2. Step 2: Convert to fraction form
    11,878.64/16,392.57 = 6,501.23/x
  3. Step 3: Cross multiply
    11,878.64x = 16,392.57 × 6,501.23
  4. Step 4: Simplify right side
    11,878.64x = 106,571,867.86
  5. Step 5: Solve for x
    x = 106,571,867.86/11,878.64
  6. Step 6: Final answer
    x = 8,971.72

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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.