Home / 13,453.08-18,564.96-7,484.79

Finding the Fourth Proportional to 13,453.08, 18,564.96 and 7,484.79

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Solution

The fourth proportional to 13,453.08, 18,564.96 and 7,484.79 is: 10,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.08 : 18,564.96 = 7,484.79 : x
  2. Step 2: Convert to fraction form
    13,453.08/18,564.96 = 7,484.79/x
  3. Step 3: Cross multiply
    13,453.08x = 18,564.96 × 7,484.79
  4. Step 4: Simplify right side
    13,453.08x = 138,954,826.96
  5. Step 5: Solve for x
    x = 138,954,826.96/13,453.08
  6. Step 6: Final answer
    x = 10,328.85

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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.