Home / 14,298.64-21,444.68-3,911.20

Finding the Fourth Proportional to 14,298.64, 21,444.68 and 3,911.20

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Solution

The fourth proportional to 14,298.64, 21,444.68 and 3,911.20 is: 5,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.64 : 21,444.68 = 3,911.20 : x
  2. Step 2: Convert to fraction form
    14,298.64/21,444.68 = 3,911.20/x
  3. Step 3: Cross multiply
    14,298.64x = 21,444.68 × 3,911.20
  4. Step 4: Simplify right side
    14,298.64x = 83,874,432.42
  5. Step 5: Solve for x
    x = 83,874,432.42/14,298.64
  6. Step 6: Final answer
    x = 5,865.90

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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.