Home / 14,485.20-21,727.80-4,625.20

Finding the Fourth Proportional to 14,485.20, 21,727.80 and 4,625.20

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Solution

The fourth proportional to 14,485.20, 21,727.80 and 4,625.20 is: 6,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.20 : 21,727.80 = 4,625.20 : x
  2. Step 2: Convert to fraction form
    14,485.20/21,727.80 = 4,625.20/x
  3. Step 3: Cross multiply
    14,485.20x = 21,727.80 × 4,625.20
  4. Step 4: Simplify right side
    14,485.20x = 100,495,420.56
  5. Step 5: Solve for x
    x = 100,495,420.56/14,485.20
  6. Step 6: Final answer
    x = 6,937.80

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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.