Home / 14,014.28-21,025.10-5,249.32

Finding the Fourth Proportional to 14,014.28, 21,025.10 and 5,249.32

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Solution

The fourth proportional to 14,014.28, 21,025.10 and 5,249.32 is: 7,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.28 : 21,025.10 = 5,249.32 : x
  2. Step 2: Convert to fraction form
    14,014.28/21,025.10 = 5,249.32/x
  3. Step 3: Cross multiply
    14,014.28x = 21,025.10 × 5,249.32
  4. Step 4: Simplify right side
    14,014.28x = 110,367,477.93
  5. Step 5: Solve for x
    x = 110,367,477.93/14,014.28
  6. Step 6: Final answer
    x = 7,875.36

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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.