Home / 14,288.84-21,433.06-13,935.88

Finding the Fourth Proportional to 14,288.84, 21,433.06 and 13,935.88

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Solution

The fourth proportional to 14,288.84, 21,433.06 and 13,935.88 is: 20,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.84 : 21,433.06 = 13,935.88 : x
  2. Step 2: Convert to fraction form
    14,288.84/21,433.06 = 13,935.88/x
  3. Step 3: Cross multiply
    14,288.84x = 21,433.06 × 13,935.88
  4. Step 4: Simplify right side
    14,288.84x = 298,688,552.19
  5. Step 5: Solve for x
    x = 298,688,552.19/14,288.84
  6. Step 6: Final answer
    x = 20,903.62

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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.