Home / 21,616.34-29,855.12-14,530.46

Finding the Fourth Proportional to 21,616.34, 29,855.12 and 14,530.46

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Solution

The fourth proportional to 21,616.34, 29,855.12 and 14,530.46 is: 20,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.34 : 29,855.12 = 14,530.46 : x
  2. Step 2: Convert to fraction form
    21,616.34/29,855.12 = 14,530.46/x
  3. Step 3: Cross multiply
    21,616.34x = 29,855.12 × 14,530.46
  4. Step 4: Simplify right side
    21,616.34x = 433,808,405.03
  5. Step 5: Solve for x
    x = 433,808,405.03/21,616.34
  6. Step 6: Final answer
    x = 20,068.55

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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.