Home / 13,180.32-19,773.21-5,389.13

Finding the Fourth Proportional to 13,180.32, 19,773.21 and 5,389.13

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Solution

The fourth proportional to 13,180.32, 19,773.21 and 5,389.13 is: 8,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.32 : 19,773.21 = 5,389.13 : x
  2. Step 2: Convert to fraction form
    13,180.32/19,773.21 = 5,389.13/x
  3. Step 3: Cross multiply
    13,180.32x = 19,773.21 × 5,389.13
  4. Step 4: Simplify right side
    13,180.32x = 106,560,300.34
  5. Step 5: Solve for x
    x = 106,560,300.34/13,180.32
  6. Step 6: Final answer
    x = 8,084.80

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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.