Home / 14,136.96-21,208.18-5,378.04

Finding the Fourth Proportional to 14,136.96, 21,208.18 and 5,378.04

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Solution

The fourth proportional to 14,136.96, 21,208.18 and 5,378.04 is: 8,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.96 : 21,208.18 = 5,378.04 : x
  2. Step 2: Convert to fraction form
    14,136.96/21,208.18 = 5,378.04/x
  3. Step 3: Cross multiply
    14,136.96x = 21,208.18 × 5,378.04
  4. Step 4: Simplify right side
    14,136.96x = 114,058,440.37
  5. Step 5: Solve for x
    x = 114,058,440.37/14,136.96
  6. Step 6: Final answer
    x = 8,068.10

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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.