Home / 13,287.38-19,933.23-4,521.38

Finding the Fourth Proportional to 13,287.38, 19,933.23 and 4,521.38

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Solution

The fourth proportional to 13,287.38, 19,933.23 and 4,521.38 is: 6,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.38 : 19,933.23 = 4,521.38 : x
  2. Step 2: Convert to fraction form
    13,287.38/19,933.23 = 4,521.38/x
  3. Step 3: Cross multiply
    13,287.38x = 19,933.23 × 4,521.38
  4. Step 4: Simplify right side
    13,287.38x = 90,125,707.46
  5. Step 5: Solve for x
    x = 90,125,707.46/13,287.38
  6. Step 6: Final answer
    x = 6,782.80

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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.