Home / 11,153.62-15,392.02-6,117.88

Finding the Fourth Proportional to 11,153.62, 15,392.02 and 6,117.88

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Solution

The fourth proportional to 11,153.62, 15,392.02 and 6,117.88 is: 8,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.62 : 15,392.02 = 6,117.88 : x
  2. Step 2: Convert to fraction form
    11,153.62/15,392.02 = 6,117.88/x
  3. Step 3: Cross multiply
    11,153.62x = 15,392.02 × 6,117.88
  4. Step 4: Simplify right side
    11,153.62x = 94,166,575.59
  5. Step 5: Solve for x
    x = 94,166,575.59/11,153.62
  6. Step 6: Final answer
    x = 8,442.69

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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.