Home / 13,544.92-20,317.38-8,894.30

Finding the Fourth Proportional to 13,544.92, 20,317.38 and 8,894.30

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Solution

The fourth proportional to 13,544.92, 20,317.38 and 8,894.30 is: 13,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.92 : 20,317.38 = 8,894.30 : x
  2. Step 2: Convert to fraction form
    13,544.92/20,317.38 = 8,894.30/x
  3. Step 3: Cross multiply
    13,544.92x = 20,317.38 × 8,894.30
  4. Step 4: Simplify right side
    13,544.92x = 180,708,828.46
  5. Step 5: Solve for x
    x = 180,708,828.46/13,544.92
  6. Step 6: Final answer
    x = 13,341.45

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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.