Home / 18,488.86-27,744.27-6,810.28

Finding the Fourth Proportional to 18,488.86, 27,744.27 and 6,810.28

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Solution

The fourth proportional to 18,488.86, 27,744.27 and 6,810.28 is: 10,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.86 : 27,744.27 = 6,810.28 : x
  2. Step 2: Convert to fraction form
    18,488.86/27,744.27 = 6,810.28/x
  3. Step 3: Cross multiply
    18,488.86x = 27,744.27 × 6,810.28
  4. Step 4: Simplify right side
    18,488.86x = 188,946,247.10
  5. Step 5: Solve for x
    x = 188,946,247.10/18,488.86
  6. Step 6: Final answer
    x = 10,219.46

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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.