Home / 13,582.35-18,769.46-10,219.37

Finding the Fourth Proportional to 13,582.35, 18,769.46 and 10,219.37

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Solution

The fourth proportional to 13,582.35, 18,769.46 and 10,219.37 is: 14,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.35 : 18,769.46 = 10,219.37 : x
  2. Step 2: Convert to fraction form
    13,582.35/18,769.46 = 10,219.37/x
  3. Step 3: Cross multiply
    13,582.35x = 18,769.46 × 10,219.37
  4. Step 4: Simplify right side
    13,582.35x = 191,811,911.50
  5. Step 5: Solve for x
    x = 191,811,911.50/13,582.35
  6. Step 6: Final answer
    x = 14,122.14

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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.