Home / 18,648.04-27,943.26-9,420.52

Finding the Fourth Proportional to 18,648.04, 27,943.26 and 9,420.52

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Solution

The fourth proportional to 18,648.04, 27,943.26 and 9,420.52 is: 14,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.04 : 27,943.26 = 9,420.52 : x
  2. Step 2: Convert to fraction form
    18,648.04/27,943.26 = 9,420.52/x
  3. Step 3: Cross multiply
    18,648.04x = 27,943.26 × 9,420.52
  4. Step 4: Simplify right side
    18,648.04x = 263,240,039.70
  5. Step 5: Solve for x
    x = 263,240,039.70/18,648.04
  6. Step 6: Final answer
    x = 14,116.23

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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.