Home / 17,479.23-24,121.44-9,521.28

Finding the Fourth Proportional to 17,479.23, 24,121.44 and 9,521.28

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Solution

The fourth proportional to 17,479.23, 24,121.44 and 9,521.28 is: 13,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.23 : 24,121.44 = 9,521.28 : x
  2. Step 2: Convert to fraction form
    17,479.23/24,121.44 = 9,521.28/x
  3. Step 3: Cross multiply
    17,479.23x = 24,121.44 × 9,521.28
  4. Step 4: Simplify right side
    17,479.23x = 229,666,984.24
  5. Step 5: Solve for x
    x = 229,666,984.24/17,479.23
  6. Step 6: Final answer
    x = 13,139.42

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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.