Home / 13,077.54-19,617.84-4,761.45

Finding the Fourth Proportional to 13,077.54, 19,617.84 and 4,761.45

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Solution

The fourth proportional to 13,077.54, 19,617.84 and 4,761.45 is: 7,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.54 : 19,617.84 = 4,761.45 : x
  2. Step 2: Convert to fraction form
    13,077.54/19,617.84 = 4,761.45/x
  3. Step 3: Cross multiply
    13,077.54x = 19,617.84 × 4,761.45
  4. Step 4: Simplify right side
    13,077.54x = 93,409,364.27
  5. Step 5: Solve for x
    x = 93,409,364.27/13,077.54
  6. Step 6: Final answer
    x = 7,142.73

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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.