Home / 13,282.32-18,329.61-7,313.85

Finding the Fourth Proportional to 13,282.32, 18,329.61 and 7,313.85

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Solution

The fourth proportional to 13,282.32, 18,329.61 and 7,313.85 is: 10,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.32 : 18,329.61 = 7,313.85 : x
  2. Step 2: Convert to fraction form
    13,282.32/18,329.61 = 7,313.85/x
  3. Step 3: Cross multiply
    13,282.32x = 18,329.61 × 7,313.85
  4. Step 4: Simplify right side
    13,282.32x = 134,060,018.10
  5. Step 5: Solve for x
    x = 134,060,018.10/13,282.32
  6. Step 6: Final answer
    x = 10,093.12

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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.