Home / 13,246.37-18,278.93-7,579.82

Finding the Fourth Proportional to 13,246.37, 18,278.93 and 7,579.82

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Solution

The fourth proportional to 13,246.37, 18,278.93 and 7,579.82 is: 10,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.37 : 18,278.93 = 7,579.82 : x
  2. Step 2: Convert to fraction form
    13,246.37/18,278.93 = 7,579.82/x
  3. Step 3: Cross multiply
    13,246.37x = 18,278.93 × 7,579.82
  4. Step 4: Simplify right side
    13,246.37x = 138,550,926.75
  5. Step 5: Solve for x
    x = 138,550,926.75/13,246.37
  6. Step 6: Final answer
    x = 10,459.54

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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.