Home / 18,508.38-27,756.81-6,193.50

Finding the Fourth Proportional to 18,508.38, 27,756.81 and 6,193.50

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Solution

The fourth proportional to 18,508.38, 27,756.81 and 6,193.50 is: 9,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.38 : 27,756.81 = 6,193.50 : x
  2. Step 2: Convert to fraction form
    18,508.38/27,756.81 = 6,193.50/x
  3. Step 3: Cross multiply
    18,508.38x = 27,756.81 × 6,193.50
  4. Step 4: Simplify right side
    18,508.38x = 171,911,802.74
  5. Step 5: Solve for x
    x = 171,911,802.74/18,508.38
  6. Step 6: Final answer
    x = 9,288.32

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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.