Home / 11,927.52-16,454.28-8,392.68

Finding the Fourth Proportional to 11,927.52, 16,454.28 and 8,392.68

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Solution

The fourth proportional to 11,927.52, 16,454.28 and 8,392.68 is: 11,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.52 : 16,454.28 = 8,392.68 : x
  2. Step 2: Convert to fraction form
    11,927.52/16,454.28 = 8,392.68/x
  3. Step 3: Cross multiply
    11,927.52x = 16,454.28 × 8,392.68
  4. Step 4: Simplify right side
    11,927.52x = 138,095,506.67
  5. Step 5: Solve for x
    x = 138,095,506.67/11,927.52
  6. Step 6: Final answer
    x = 11,577.89

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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.