Home / 13,807.13-19,050.53-8,141.44

Finding the Fourth Proportional to 13,807.13, 19,050.53 and 8,141.44

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Solution

The fourth proportional to 13,807.13, 19,050.53 and 8,141.44 is: 11,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.13 : 19,050.53 = 8,141.44 : x
  2. Step 2: Convert to fraction form
    13,807.13/19,050.53 = 8,141.44/x
  3. Step 3: Cross multiply
    13,807.13x = 19,050.53 × 8,141.44
  4. Step 4: Simplify right side
    13,807.13x = 155,098,651.71
  5. Step 5: Solve for x
    x = 155,098,651.71/13,807.13
  6. Step 6: Final answer
    x = 11,233.23

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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.