Home / 14,783.40-22,175.10-11,478.60

Finding the Fourth Proportional to 14,783.40, 22,175.10 and 11,478.60

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Solution

The fourth proportional to 14,783.40, 22,175.10 and 11,478.60 is: 17,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.40 : 22,175.10 = 11,478.60 : x
  2. Step 2: Convert to fraction form
    14,783.40/22,175.10 = 11,478.60/x
  3. Step 3: Cross multiply
    14,783.40x = 22,175.10 × 11,478.60
  4. Step 4: Simplify right side
    14,783.40x = 254,539,102.86
  5. Step 5: Solve for x
    x = 254,539,102.86/14,783.40
  6. Step 6: Final answer
    x = 17,217.90

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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.