Home / 14,004.63-21,000.80-4,144.68

Finding the Fourth Proportional to 14,004.63, 21,000.80 and 4,144.68

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Solution

The fourth proportional to 14,004.63, 21,000.80 and 4,144.68 is: 6,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.63 : 21,000.80 = 4,144.68 : x
  2. Step 2: Convert to fraction form
    14,004.63/21,000.80 = 4,144.68/x
  3. Step 3: Cross multiply
    14,004.63x = 21,000.80 × 4,144.68
  4. Step 4: Simplify right side
    14,004.63x = 87,041,595.74
  5. Step 5: Solve for x
    x = 87,041,595.74/14,004.63
  6. Step 6: Final answer
    x = 6,215.20

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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.