Home / 14,428.12-21,642.18-3,484.12

Finding the Fourth Proportional to 14,428.12, 21,642.18 and 3,484.12

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Solution

The fourth proportional to 14,428.12, 21,642.18 and 3,484.12 is: 5,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.12 : 21,642.18 = 3,484.12 : x
  2. Step 2: Convert to fraction form
    14,428.12/21,642.18 = 3,484.12/x
  3. Step 3: Cross multiply
    14,428.12x = 21,642.18 × 3,484.12
  4. Step 4: Simplify right side
    14,428.12x = 75,403,952.18
  5. Step 5: Solve for x
    x = 75,403,952.18/14,428.12
  6. Step 6: Final answer
    x = 5,226.18

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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.