Home / 11,495.08-15,847.14-9,719.56

Finding the Fourth Proportional to 11,495.08, 15,847.14 and 9,719.56

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Solution

The fourth proportional to 11,495.08, 15,847.14 and 9,719.56 is: 13,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.08 : 15,847.14 = 9,719.56 : x
  2. Step 2: Convert to fraction form
    11,495.08/15,847.14 = 9,719.56/x
  3. Step 3: Cross multiply
    11,495.08x = 15,847.14 × 9,719.56
  4. Step 4: Simplify right side
    11,495.08x = 154,027,228.06
  5. Step 5: Solve for x
    x = 154,027,228.06/11,495.08
  6. Step 6: Final answer
    x = 13,399.40

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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.