Home / 15,499.08-21,383.48-10,717.24

Finding the Fourth Proportional to 15,499.08, 21,383.48 and 10,717.24

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Solution

The fourth proportional to 15,499.08, 21,383.48 and 10,717.24 is: 14,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.08 : 21,383.48 = 10,717.24 : x
  2. Step 2: Convert to fraction form
    15,499.08/21,383.48 = 10,717.24/x
  3. Step 3: Cross multiply
    15,499.08x = 21,383.48 × 10,717.24
  4. Step 4: Simplify right side
    15,499.08x = 229,171,859.16
  5. Step 5: Solve for x
    x = 229,171,859.16/15,499.08
  6. Step 6: Final answer
    x = 14,786.16

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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.