Home / 13,530.54-18,660.06-8,495.24

Finding the Fourth Proportional to 13,530.54, 18,660.06 and 8,495.24

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Solution

The fourth proportional to 13,530.54, 18,660.06 and 8,495.24 is: 11,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.54 : 18,660.06 = 8,495.24 : x
  2. Step 2: Convert to fraction form
    13,530.54/18,660.06 = 8,495.24/x
  3. Step 3: Cross multiply
    13,530.54x = 18,660.06 × 8,495.24
  4. Step 4: Simplify right side
    13,530.54x = 158,521,594.81
  5. Step 5: Solve for x
    x = 158,521,594.81/13,530.54
  6. Step 6: Final answer
    x = 11,715.83

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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.