Home / 14,257.84-21,380.28-4,395.28

Finding the Fourth Proportional to 14,257.84, 21,380.28 and 4,395.28

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Solution

The fourth proportional to 14,257.84, 21,380.28 and 4,395.28 is: 6,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.84 : 21,380.28 = 4,395.28 : x
  2. Step 2: Convert to fraction form
    14,257.84/21,380.28 = 4,395.28/x
  3. Step 3: Cross multiply
    14,257.84x = 21,380.28 × 4,395.28
  4. Step 4: Simplify right side
    14,257.84x = 93,972,317.08
  5. Step 5: Solve for x
    x = 93,972,317.08/14,257.84
  6. Step 6: Final answer
    x = 6,590.92

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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.