Home / 21,477.87-32,208.93-7,434.27

Finding the Fourth Proportional to 21,477.87, 32,208.93 and 7,434.27

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Solution

The fourth proportional to 21,477.87, 32,208.93 and 7,434.27 is: 11,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.87 : 32,208.93 = 7,434.27 : x
  2. Step 2: Convert to fraction form
    21,477.87/32,208.93 = 7,434.27/x
  3. Step 3: Cross multiply
    21,477.87x = 32,208.93 × 7,434.27
  4. Step 4: Simplify right side
    21,477.87x = 239,449,882.03
  5. Step 5: Solve for x
    x = 239,449,882.03/21,477.87
  6. Step 6: Final answer
    x = 11,148.68

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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.