Home / 14,420.49-21,630.61-4,559.78

Finding the Fourth Proportional to 14,420.49, 21,630.61 and 4,559.78

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Solution

The fourth proportional to 14,420.49, 21,630.61 and 4,559.78 is: 6,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.49 : 21,630.61 = 4,559.78 : x
  2. Step 2: Convert to fraction form
    14,420.49/21,630.61 = 4,559.78/x
  3. Step 3: Cross multiply
    14,420.49x = 21,630.61 × 4,559.78
  4. Step 4: Simplify right side
    14,420.49x = 98,630,703.31
  5. Step 5: Solve for x
    x = 98,630,703.31/14,420.49
  6. Step 6: Final answer
    x = 6,839.62

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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.