Home / 13,049.61-19,573.36-3,689.25

Finding the Fourth Proportional to 13,049.61, 19,573.36 and 3,689.25

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Solution

The fourth proportional to 13,049.61, 19,573.36 and 3,689.25 is: 5,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.61 : 19,573.36 = 3,689.25 : x
  2. Step 2: Convert to fraction form
    13,049.61/19,573.36 = 3,689.25/x
  3. Step 3: Cross multiply
    13,049.61x = 19,573.36 × 3,689.25
  4. Step 4: Simplify right side
    13,049.61x = 72,211,018.38
  5. Step 5: Solve for x
    x = 72,211,018.38/13,049.61
  6. Step 6: Final answer
    x = 5,533.58

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Half scale
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Double scale
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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.