Home / 14,039.38-21,058.74-4,178.76

Finding the Fourth Proportional to 14,039.38, 21,058.74 and 4,178.76

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Solution

The fourth proportional to 14,039.38, 21,058.74 and 4,178.76 is: 6,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.38 : 21,058.74 = 4,178.76 : x
  2. Step 2: Convert to fraction form
    14,039.38/21,058.74 = 4,178.76/x
  3. Step 3: Cross multiply
    14,039.38x = 21,058.74 × 4,178.76
  4. Step 4: Simplify right side
    14,039.38x = 87,999,420.36
  5. Step 5: Solve for x
    x = 87,999,420.36/14,039.38
  6. Step 6: Final answer
    x = 6,268.04

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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.