Home / 14,403.51-21,571.70-13,904.64

Finding the Fourth Proportional to 14,403.51, 21,571.70 and 13,904.64

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Solution

The fourth proportional to 14,403.51, 21,571.70 and 13,904.64 is: 20,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.51 : 21,571.70 = 13,904.64 : x
  2. Step 2: Convert to fraction form
    14,403.51/21,571.70 = 13,904.64/x
  3. Step 3: Cross multiply
    14,403.51x = 21,571.70 × 13,904.64
  4. Step 4: Simplify right side
    14,403.51x = 299,946,741.86
  5. Step 5: Solve for x
    x = 299,946,741.86/14,403.51
  6. Step 6: Final answer
    x = 20,824.56

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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.