Home / 13,043.44-18,000.26-7,377.91

Finding the Fourth Proportional to 13,043.44, 18,000.26 and 7,377.91

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Solution

The fourth proportional to 13,043.44, 18,000.26 and 7,377.91 is: 10,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.44 : 18,000.26 = 7,377.91 : x
  2. Step 2: Convert to fraction form
    13,043.44/18,000.26 = 7,377.91/x
  3. Step 3: Cross multiply
    13,043.44x = 18,000.26 × 7,377.91
  4. Step 4: Simplify right side
    13,043.44x = 132,804,285.53
  5. Step 5: Solve for x
    x = 132,804,285.53/13,043.44
  6. Step 6: Final answer
    x = 10,181.70

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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.