Home / 11,313.64-15,598.51-9,399.12

Finding the Fourth Proportional to 11,313.64, 15,598.51 and 9,399.12

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Solution

The fourth proportional to 11,313.64, 15,598.51 and 9,399.12 is: 12,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.64 : 15,598.51 = 9,399.12 : x
  2. Step 2: Convert to fraction form
    11,313.64/15,598.51 = 9,399.12/x
  3. Step 3: Cross multiply
    11,313.64x = 15,598.51 × 9,399.12
  4. Step 4: Simplify right side
    11,313.64x = 146,612,267.31
  5. Step 5: Solve for x
    x = 146,612,267.31/11,313.64
  6. Step 6: Final answer
    x = 12,958.89

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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.