Home / 14,020.04-21,004.52-8,158.88

Finding the Fourth Proportional to 14,020.04, 21,004.52 and 8,158.88

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Solution

The fourth proportional to 14,020.04, 21,004.52 and 8,158.88 is: 12,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.04 : 21,004.52 = 8,158.88 : x
  2. Step 2: Convert to fraction form
    14,020.04/21,004.52 = 8,158.88/x
  3. Step 3: Cross multiply
    14,020.04x = 21,004.52 × 8,158.88
  4. Step 4: Simplify right side
    14,020.04x = 171,373,358.14
  5. Step 5: Solve for x
    x = 171,373,358.14/14,020.04
  6. Step 6: Final answer
    x = 12,223.46

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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.