Home / 13,309.02-19,963.62-5,911.50

Finding the Fourth Proportional to 13,309.02, 19,963.62 and 5,911.50

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Solution

The fourth proportional to 13,309.02, 19,963.62 and 5,911.50 is: 8,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.02 : 19,963.62 = 5,911.50 : x
  2. Step 2: Convert to fraction form
    13,309.02/19,963.62 = 5,911.50/x
  3. Step 3: Cross multiply
    13,309.02x = 19,963.62 × 5,911.50
  4. Step 4: Simplify right side
    13,309.02x = 118,014,939.63
  5. Step 5: Solve for x
    x = 118,014,939.63/13,309.02
  6. Step 6: Final answer
    x = 8,867.29

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Similar ratio
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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.