Home / 14,356.23-21,521.37-5,120.07

Finding the Fourth Proportional to 14,356.23, 21,521.37 and 5,120.07

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Solution

The fourth proportional to 14,356.23, 21,521.37 and 5,120.07 is: 7,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.23 : 21,521.37 = 5,120.07 : x
  2. Step 2: Convert to fraction form
    14,356.23/21,521.37 = 5,120.07/x
  3. Step 3: Cross multiply
    14,356.23x = 21,521.37 × 5,120.07
  4. Step 4: Simplify right side
    14,356.23x = 110,190,920.90
  5. Step 5: Solve for x
    x = 110,190,920.90/14,356.23
  6. Step 6: Final answer
    x = 7,675.48

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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.