Home / 18,220.04-25,143.92-10,153.47

Finding the Fourth Proportional to 18,220.04, 25,143.92 and 10,153.47

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Solution

The fourth proportional to 18,220.04, 25,143.92 and 10,153.47 is: 14,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.04 : 25,143.92 = 10,153.47 : x
  2. Step 2: Convert to fraction form
    18,220.04/25,143.92 = 10,153.47/x
  3. Step 3: Cross multiply
    18,220.04x = 25,143.92 × 10,153.47
  4. Step 4: Simplify right side
    18,220.04x = 255,297,986.64
  5. Step 5: Solve for x
    x = 255,297,986.64/18,220.04
  6. Step 6: Final answer
    x = 14,011.94

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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.