Home / 21,616.29-29,855.09-14,530.41

Finding the Fourth Proportional to 21,616.29, 29,855.09 and 14,530.41

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Solution

The fourth proportional to 21,616.29, 29,855.09 and 14,530.41 is: 20,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.29 : 29,855.09 = 14,530.41 : x
  2. Step 2: Convert to fraction form
    21,616.29/29,855.09 = 14,530.41/x
  3. Step 3: Cross multiply
    21,616.29x = 29,855.09 × 14,530.41
  4. Step 4: Simplify right side
    21,616.29x = 433,806,698.29
  5. Step 5: Solve for x
    x = 433,806,698.29/21,616.29
  6. Step 6: Final answer
    x = 20,068.51

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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.