Home / 21,616.84-29,855.81-14,530.96

Finding the Fourth Proportional to 21,616.84, 29,855.81 and 14,530.96

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Solution

The fourth proportional to 21,616.84, 29,855.81 and 14,530.96 is: 20,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.84 : 29,855.81 = 14,530.96 : x
  2. Step 2: Convert to fraction form
    21,616.84/29,855.81 = 14,530.96/x
  3. Step 3: Cross multiply
    21,616.84x = 29,855.81 × 14,530.96
  4. Step 4: Simplify right side
    21,616.84x = 433,833,358.94
  5. Step 5: Solve for x
    x = 433,833,358.94/21,616.84
  6. Step 6: Final answer
    x = 20,069.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.