Home / 14,281.98-21,423.88-4,420.43

Finding the Fourth Proportional to 14,281.98, 21,423.88 and 4,420.43

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Solution

The fourth proportional to 14,281.98, 21,423.88 and 4,420.43 is: 6,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.98 : 21,423.88 = 4,420.43 : x
  2. Step 2: Convert to fraction form
    14,281.98/21,423.88 = 4,420.43/x
  3. Step 3: Cross multiply
    14,281.98x = 21,423.88 × 4,420.43
  4. Step 4: Simplify right side
    14,281.98x = 94,702,739.77
  5. Step 5: Solve for x
    x = 94,702,739.77/14,281.98
  6. Step 6: Final answer
    x = 6,630.93

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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.