Home / 15,915.48-23,873.86-4,228.80

Finding the Fourth Proportional to 15,915.48, 23,873.86 and 4,228.80

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Solution

The fourth proportional to 15,915.48, 23,873.86 and 4,228.80 is: 6,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.48 : 23,873.86 = 4,228.80 : x
  2. Step 2: Convert to fraction form
    15,915.48/23,873.86 = 4,228.80/x
  3. Step 3: Cross multiply
    15,915.48x = 23,873.86 × 4,228.80
  4. Step 4: Simplify right side
    15,915.48x = 100,957,779.17
  5. Step 5: Solve for x
    x = 100,957,779.17/15,915.48
  6. Step 6: Final answer
    x = 6,343.37

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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.