Home / 14,281.44-21,421.08-4,420.80

Finding the Fourth Proportional to 14,281.44, 21,421.08 and 4,420.80

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Solution

The fourth proportional to 14,281.44, 21,421.08 and 4,420.80 is: 6,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.44 : 21,421.08 = 4,420.80 : x
  2. Step 2: Convert to fraction form
    14,281.44/21,421.08 = 4,420.80/x
  3. Step 3: Cross multiply
    14,281.44x = 21,421.08 × 4,420.80
  4. Step 4: Simplify right side
    14,281.44x = 94,698,310.46
  5. Step 5: Solve for x
    x = 94,698,310.46/14,281.44
  6. Step 6: Final answer
    x = 6,630.87

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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.