Home / 14,404.51-21,573.20-13,905.64

Finding the Fourth Proportional to 14,404.51, 21,573.20 and 13,905.64

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Solution

The fourth proportional to 14,404.51, 21,573.20 and 13,905.64 is: 20,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.51 : 21,573.20 = 13,905.64 : x
  2. Step 2: Convert to fraction form
    14,404.51/21,573.20 = 13,905.64/x
  3. Step 3: Cross multiply
    14,404.51x = 21,573.20 × 13,905.64
  4. Step 4: Simplify right side
    14,404.51x = 299,989,152.85
  5. Step 5: Solve for x
    x = 299,989,152.85/14,404.51
  6. Step 6: Final answer
    x = 20,826.06

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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.