Home / 16,921.72-23,327.51-11,870.27

Finding the Fourth Proportional to 16,921.72, 23,327.51 and 11,870.27

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Solution

The fourth proportional to 16,921.72, 23,327.51 and 11,870.27 is: 16,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.72 : 23,327.51 = 11,870.27 : x
  2. Step 2: Convert to fraction form
    16,921.72/23,327.51 = 11,870.27/x
  3. Step 3: Cross multiply
    16,921.72x = 23,327.51 × 11,870.27
  4. Step 4: Simplify right side
    16,921.72x = 276,903,842.13
  5. Step 5: Solve for x
    x = 276,903,842.13/16,921.72
  6. Step 6: Final answer
    x = 16,363.81

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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.