Home / 12,635.56-18,969.77-9,715.92

Finding the Fourth Proportional to 12,635.56, 18,969.77 and 9,715.92

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Solution

The fourth proportional to 12,635.56, 18,969.77 and 9,715.92 is: 14,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.56 : 18,969.77 = 9,715.92 : x
  2. Step 2: Convert to fraction form
    12,635.56/18,969.77 = 9,715.92/x
  3. Step 3: Cross multiply
    12,635.56x = 18,969.77 × 9,715.92
  4. Step 4: Simplify right side
    12,635.56x = 184,308,767.74
  5. Step 5: Solve for x
    x = 184,308,767.74/12,635.56
  6. Step 6: Final answer
    x = 14,586.51

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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.