Home / 14,298.28-21,445.02-3,908.20

Finding the Fourth Proportional to 14,298.28, 21,445.02 and 3,908.20

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Solution

The fourth proportional to 14,298.28, 21,445.02 and 3,908.20 is: 5,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.28 : 21,445.02 = 3,908.20 : x
  2. Step 2: Convert to fraction form
    14,298.28/21,445.02 = 3,908.20/x
  3. Step 3: Cross multiply
    14,298.28x = 21,445.02 × 3,908.20
  4. Step 4: Simplify right side
    14,298.28x = 83,811,427.16
  5. Step 5: Solve for x
    x = 83,811,427.16/14,298.28
  6. Step 6: Final answer
    x = 5,861.64

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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.