Home / 18,345.70-27,503.43-7,247.62

Finding the Fourth Proportional to 18,345.70, 27,503.43 and 7,247.62

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Solution

The fourth proportional to 18,345.70, 27,503.43 and 7,247.62 is: 10,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345.70 : 27,503.43 = 7,247.62 : x
  2. Step 2: Convert to fraction form
    18,345.70/27,503.43 = 7,247.62/x
  3. Step 3: Cross multiply
    18,345.70x = 27,503.43 × 7,247.62
  4. Step 4: Simplify right side
    18,345.70x = 199,334,409.34
  5. Step 5: Solve for x
    x = 199,334,409.34/18,345.70
  6. Step 6: Final answer
    x = 10,865.46

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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.