Home / 16,581.60-22,875-11,558.16

Finding the Fourth Proportional to 16,581.60, 22,875 and 11,558.16

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Solution

The fourth proportional to 16,581.60, 22,875 and 11,558.16 is: 15,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.60 : 22,875 = 11,558.16 : x
  2. Step 2: Convert to fraction form
    16,581.60/22,875 = 11,558.16/x
  3. Step 3: Cross multiply
    16,581.60x = 22,875 × 11,558.16
  4. Step 4: Simplify right side
    16,581.60x = 264,392,910
  5. Step 5: Solve for x
    x = 264,392,910/16,581.60
  6. Step 6: Final answer
    x = 15,944.96

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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.