Home / 14,019.64-21,029.26-4,165.60

Finding the Fourth Proportional to 14,019.64, 21,029.26 and 4,165.60

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Solution

The fourth proportional to 14,019.64, 21,029.26 and 4,165.60 is: 6,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.64 : 21,029.26 = 4,165.60 : x
  2. Step 2: Convert to fraction form
    14,019.64/21,029.26 = 4,165.60/x
  3. Step 3: Cross multiply
    14,019.64x = 21,029.26 × 4,165.60
  4. Step 4: Simplify right side
    14,019.64x = 87,599,485.46
  5. Step 5: Solve for x
    x = 87,599,485.46/14,019.64
  6. Step 6: Final answer
    x = 6,248.34

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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.