Home / 17,313.36-25,970.08-9,912.72

Finding the Fourth Proportional to 17,313.36, 25,970.08 and 9,912.72

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Solution

The fourth proportional to 17,313.36, 25,970.08 and 9,912.72 is: 14,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,313.36 : 25,970.08 = 9,912.72 : x
  2. Step 2: Convert to fraction form
    17,313.36/25,970.08 = 9,912.72/x
  3. Step 3: Cross multiply
    17,313.36x = 25,970.08 × 9,912.72
  4. Step 4: Simplify right side
    17,313.36x = 257,434,131.42
  5. Step 5: Solve for x
    x = 257,434,131.42/17,313.36
  6. Step 6: Final answer
    x = 14,869.10

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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.