Home / 13,295.08-18,348.30-7,327.30

Finding the Fourth Proportional to 13,295.08, 18,348.30 and 7,327.30

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Solution

The fourth proportional to 13,295.08, 18,348.30 and 7,327.30 is: 10,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.08 : 18,348.30 = 7,327.30 : x
  2. Step 2: Convert to fraction form
    13,295.08/18,348.30 = 7,327.30/x
  3. Step 3: Cross multiply
    13,295.08x = 18,348.30 × 7,327.30
  4. Step 4: Simplify right side
    13,295.08x = 134,443,498.59
  5. Step 5: Solve for x
    x = 134,443,498.59/13,295.08
  6. Step 6: Final answer
    x = 10,112.27

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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.