Home / 15,341.50-23,012.20-4,811.60

Finding the Fourth Proportional to 15,341.50, 23,012.20 and 4,811.60

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Solution

The fourth proportional to 15,341.50, 23,012.20 and 4,811.60 is: 7,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.50 : 23,012.20 = 4,811.60 : x
  2. Step 2: Convert to fraction form
    15,341.50/23,012.20 = 4,811.60/x
  3. Step 3: Cross multiply
    15,341.50x = 23,012.20 × 4,811.60
  4. Step 4: Simplify right side
    15,341.50x = 110,725,565.07
  5. Step 5: Solve for x
    x = 110,725,565.07/15,341.50
  6. Step 6: Final answer
    x = 7,217.39

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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.