Home / 14,483.04-21,714.24-5,121.12

Finding the Fourth Proportional to 14,483.04, 21,714.24 and 5,121.12

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Solution

The fourth proportional to 14,483.04, 21,714.24 and 5,121.12 is: 7,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.04 : 21,714.24 = 5,121.12 : x
  2. Step 2: Convert to fraction form
    14,483.04/21,714.24 = 5,121.12/x
  3. Step 3: Cross multiply
    14,483.04x = 21,714.24 × 5,121.12
  4. Step 4: Simplify right side
    14,483.04x = 111,201,228.75
  5. Step 5: Solve for x
    x = 111,201,228.75/14,483.04
  6. Step 6: Final answer
    x = 7,678.03

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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.