Home / 14,530.62-21,765-10,981.53

Finding the Fourth Proportional to 14,530.62, 21,765 and 10,981.53

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Solution

The fourth proportional to 14,530.62, 21,765 and 10,981.53 is: 16,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.62 : 21,765 = 10,981.53 : x
  2. Step 2: Convert to fraction form
    14,530.62/21,765 = 10,981.53/x
  3. Step 3: Cross multiply
    14,530.62x = 21,765 × 10,981.53
  4. Step 4: Simplify right side
    14,530.62x = 239,013,000.45
  5. Step 5: Solve for x
    x = 239,013,000.45/14,530.62
  6. Step 6: Final answer
    x = 16,448.92

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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.