Home / 14,943.04-20,622.08-8,228.80

Finding the Fourth Proportional to 14,943.04, 20,622.08 and 8,228.80

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Solution

The fourth proportional to 14,943.04, 20,622.08 and 8,228.80 is: 11,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.04 : 20,622.08 = 8,228.80 : x
  2. Step 2: Convert to fraction form
    14,943.04/20,622.08 = 8,228.80/x
  3. Step 3: Cross multiply
    14,943.04x = 20,622.08 × 8,228.80
  4. Step 4: Simplify right side
    14,943.04x = 169,694,971.90
  5. Step 5: Solve for x
    x = 169,694,971.90/14,943.04
  6. Step 6: Final answer
    x = 11,356.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.