Home / 19,270.60-28,905.90-6,124.30

Finding the Fourth Proportional to 19,270.60, 28,905.90 and 6,124.30

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Solution

The fourth proportional to 19,270.60, 28,905.90 and 6,124.30 is: 9,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.60 : 28,905.90 = 6,124.30 : x
  2. Step 2: Convert to fraction form
    19,270.60/28,905.90 = 6,124.30/x
  3. Step 3: Cross multiply
    19,270.60x = 28,905.90 × 6,124.30
  4. Step 4: Simplify right side
    19,270.60x = 177,028,403.37
  5. Step 5: Solve for x
    x = 177,028,403.37/19,270.60
  6. Step 6: Final answer
    x = 9,186.45

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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.