Home / 14,099.78-21,025.19-13,973.24

Finding the Fourth Proportional to 14,099.78, 21,025.19 and 13,973.24

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Solution

The fourth proportional to 14,099.78, 21,025.19 and 13,973.24 is: 20,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.78 : 21,025.19 = 13,973.24 : x
  2. Step 2: Convert to fraction form
    14,099.78/21,025.19 = 13,973.24/x
  3. Step 3: Cross multiply
    14,099.78x = 21,025.19 × 13,973.24
  4. Step 4: Simplify right side
    14,099.78x = 293,789,973.35
  5. Step 5: Solve for x
    x = 293,789,973.35/14,099.78
  6. Step 6: Final answer
    x = 20,836.50

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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.