Home / 23,018.09-31,765.28-13,586.64

Finding the Fourth Proportional to 23,018.09, 31,765.28 and 13,586.64

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Solution

The fourth proportional to 23,018.09, 31,765.28 and 13,586.64 is: 18,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.09 : 31,765.28 = 13,586.64 : x
  2. Step 2: Convert to fraction form
    23,018.09/31,765.28 = 13,586.64/x
  3. Step 3: Cross multiply
    23,018.09x = 31,765.28 × 13,586.64
  4. Step 4: Simplify right side
    23,018.09x = 431,583,355.93
  5. Step 5: Solve for x
    x = 431,583,355.93/23,018.09
  6. Step 6: Final answer
    x = 18,749.75

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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.