Home / 15,319.44-22,957.56-6,978.96

Finding the Fourth Proportional to 15,319.44, 22,957.56 and 6,978.96

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Solution

The fourth proportional to 15,319.44, 22,957.56 and 6,978.96 is: 10,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.44 : 22,957.56 = 6,978.96 : x
  2. Step 2: Convert to fraction form
    15,319.44/22,957.56 = 6,978.96/x
  3. Step 3: Cross multiply
    15,319.44x = 22,957.56 × 6,978.96
  4. Step 4: Simplify right side
    15,319.44x = 160,219,892.94
  5. Step 5: Solve for x
    x = 160,219,892.94/15,319.44
  6. Step 6: Final answer
    x = 10,458.60

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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.