Home / 14,322.30-21,480.97-3,792.47

Finding the Fourth Proportional to 14,322.30, 21,480.97 and 3,792.47

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Solution

The fourth proportional to 14,322.30, 21,480.97 and 3,792.47 is: 5,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.30 : 21,480.97 = 3,792.47 : x
  2. Step 2: Convert to fraction form
    14,322.30/21,480.97 = 3,792.47/x
  3. Step 3: Cross multiply
    14,322.30x = 21,480.97 × 3,792.47
  4. Step 4: Simplify right side
    14,322.30x = 81,465,877.83
  5. Step 5: Solve for x
    x = 81,465,877.83/14,322.30
  6. Step 6: Final answer
    x = 5,688.05

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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.