Home / 13,480.23-18,598.31-8,173.11

Finding the Fourth Proportional to 13,480.23, 18,598.31 and 8,173.11

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Solution

The fourth proportional to 13,480.23, 18,598.31 and 8,173.11 is: 11,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.23 : 18,598.31 = 8,173.11 : x
  2. Step 2: Convert to fraction form
    13,480.23/18,598.31 = 8,173.11/x
  3. Step 3: Cross multiply
    13,480.23x = 18,598.31 × 8,173.11
  4. Step 4: Simplify right side
    13,480.23x = 152,006,033.44
  5. Step 5: Solve for x
    x = 152,006,033.44/13,480.23
  6. Step 6: Final answer
    x = 11,276.22

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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.