Home / 11,640.76-17,460.67-2,875.45

Finding the Fourth Proportional to 11,640.76, 17,460.67 and 2,875.45

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Solution

The fourth proportional to 11,640.76, 17,460.67 and 2,875.45 is: 4,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.76 : 17,460.67 = 2,875.45 : x
  2. Step 2: Convert to fraction form
    11,640.76/17,460.67 = 2,875.45/x
  3. Step 3: Cross multiply
    11,640.76x = 17,460.67 × 2,875.45
  4. Step 4: Simplify right side
    11,640.76x = 50,207,283.55
  5. Step 5: Solve for x
    x = 50,207,283.55/11,640.76
  6. Step 6: Final answer
    x = 4,313.06

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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.