Home / 18,550.28-25,599.34-10,166.80

Finding the Fourth Proportional to 18,550.28, 25,599.34 and 10,166.80

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Solution

The fourth proportional to 18,550.28, 25,599.34 and 10,166.80 is: 14,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.28 : 25,599.34 = 10,166.80 : x
  2. Step 2: Convert to fraction form
    18,550.28/25,599.34 = 10,166.80/x
  3. Step 3: Cross multiply
    18,550.28x = 25,599.34 × 10,166.80
  4. Step 4: Simplify right side
    18,550.28x = 260,263,369.91
  5. Step 5: Solve for x
    x = 260,263,369.91/18,550.28
  6. Step 6: Final answer
    x = 14,030.16

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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.