Home / 15,319.07-22,980.56-5,459.34

Finding the Fourth Proportional to 15,319.07, 22,980.56 and 5,459.34

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Solution

The fourth proportional to 15,319.07, 22,980.56 and 5,459.34 is: 8,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.07 : 22,980.56 = 5,459.34 : x
  2. Step 2: Convert to fraction form
    15,319.07/22,980.56 = 5,459.34/x
  3. Step 3: Cross multiply
    15,319.07x = 22,980.56 × 5,459.34
  4. Step 4: Simplify right side
    15,319.07x = 125,458,747.88
  5. Step 5: Solve for x
    x = 125,458,747.88/15,319.07
  6. Step 6: Final answer
    x = 8,189.71

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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.