Home / 11,159.89-16,725.51-4,915.87

Finding the Fourth Proportional to 11,159.89, 16,725.51 and 4,915.87

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Solution

The fourth proportional to 11,159.89, 16,725.51 and 4,915.87 is: 7,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.89 : 16,725.51 = 4,915.87 : x
  2. Step 2: Convert to fraction form
    11,159.89/16,725.51 = 4,915.87/x
  3. Step 3: Cross multiply
    11,159.89x = 16,725.51 × 4,915.87
  4. Step 4: Simplify right side
    11,159.89x = 82,220,432.84
  5. Step 5: Solve for x
    x = 82,220,432.84/11,159.89
  6. Step 6: Final answer
    x = 7,367.49

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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.