Home / 14,238.84-21,360.30-4,378.94

Finding the Fourth Proportional to 14,238.84, 21,360.30 and 4,378.94

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Solution

The fourth proportional to 14,238.84, 21,360.30 and 4,378.94 is: 6,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.84 : 21,360.30 = 4,378.94 : x
  2. Step 2: Convert to fraction form
    14,238.84/21,360.30 = 4,378.94/x
  3. Step 3: Cross multiply
    14,238.84x = 21,360.30 × 4,378.94
  4. Step 4: Simplify right side
    14,238.84x = 93,535,472.08
  5. Step 5: Solve for x
    x = 93,535,472.08/14,238.84
  6. Step 6: Final answer
    x = 6,569.04

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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.