Home / 13,066.92-19,601.75-8,653.28

Finding the Fourth Proportional to 13,066.92, 19,601.75 and 8,653.28

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Solution

The fourth proportional to 13,066.92, 19,601.75 and 8,653.28 is: 12,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.92 : 19,601.75 = 8,653.28 : x
  2. Step 2: Convert to fraction form
    13,066.92/19,601.75 = 8,653.28/x
  3. Step 3: Cross multiply
    13,066.92x = 19,601.75 × 8,653.28
  4. Step 4: Simplify right side
    13,066.92x = 169,619,416.45
  5. Step 5: Solve for x
    x = 169,619,416.45/13,066.92
  6. Step 6: Final answer
    x = 12,980.83

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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.