Home / 13,817.53-19,082.67-9,521.80

Finding the Fourth Proportional to 13,817.53, 19,082.67 and 9,521.80

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Solution

The fourth proportional to 13,817.53, 19,082.67 and 9,521.80 is: 13,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.53 : 19,082.67 = 9,521.80 : x
  2. Step 2: Convert to fraction form
    13,817.53/19,082.67 = 9,521.80/x
  3. Step 3: Cross multiply
    13,817.53x = 19,082.67 × 9,521.80
  4. Step 4: Simplify right side
    13,817.53x = 181,701,295.60
  5. Step 5: Solve for x
    x = 181,701,295.60/13,817.53
  6. Step 6: Final answer
    x = 13,150.05

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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.