Home / 15,077.48-20,807.14-8,362.60

Finding the Fourth Proportional to 15,077.48, 20,807.14 and 8,362.60

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Solution

The fourth proportional to 15,077.48, 20,807.14 and 8,362.60 is: 11,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.48 : 20,807.14 = 8,362.60 : x
  2. Step 2: Convert to fraction form
    15,077.48/20,807.14 = 8,362.60/x
  3. Step 3: Cross multiply
    15,077.48x = 20,807.14 × 8,362.60
  4. Step 4: Simplify right side
    15,077.48x = 174,001,788.96
  5. Step 5: Solve for x
    x = 174,001,788.96/15,077.48
  6. Step 6: Final answer
    x = 11,540.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.