Home / 15,923.21-23,888.73-7,921.76

Finding the Fourth Proportional to 15,923.21, 23,888.73 and 7,921.76

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Solution

The fourth proportional to 15,923.21, 23,888.73 and 7,921.76 is: 11,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.21 : 23,888.73 = 7,921.76 : x
  2. Step 2: Convert to fraction form
    15,923.21/23,888.73 = 7,921.76/x
  3. Step 3: Cross multiply
    15,923.21x = 23,888.73 × 7,921.76
  4. Step 4: Simplify right side
    15,923.21x = 189,240,726.04
  5. Step 5: Solve for x
    x = 189,240,726.04/15,923.21
  6. Step 6: Final answer
    x = 11,884.58

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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.