Home / 20,377.89-30,566.95-9,276.82

Finding the Fourth Proportional to 20,377.89, 30,566.95 and 9,276.82

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Solution

The fourth proportional to 20,377.89, 30,566.95 and 9,276.82 is: 13,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.89 : 30,566.95 = 9,276.82 : x
  2. Step 2: Convert to fraction form
    20,377.89/30,566.95 = 9,276.82/x
  3. Step 3: Cross multiply
    20,377.89x = 30,566.95 × 9,276.82
  4. Step 4: Simplify right side
    20,377.89x = 283,563,940.26
  5. Step 5: Solve for x
    x = 283,563,940.26/20,377.89
  6. Step 6: Final answer
    x = 13,915.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.