Home / 14,331.56-21,380.95-13,556.51

Finding the Fourth Proportional to 14,331.56, 21,380.95 and 13,556.51

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Solution

The fourth proportional to 14,331.56, 21,380.95 and 13,556.51 is: 20,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.56 : 21,380.95 = 13,556.51 : x
  2. Step 2: Convert to fraction form
    14,331.56/21,380.95 = 13,556.51/x
  3. Step 3: Cross multiply
    14,331.56x = 21,380.95 × 13,556.51
  4. Step 4: Simplify right side
    14,331.56x = 289,851,062.48
  5. Step 5: Solve for x
    x = 289,851,062.48/14,331.56
  6. Step 6: Final answer
    x = 20,224.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.