Home / 15,390.52-23,077.50-7,976.59

Finding the Fourth Proportional to 15,390.52, 23,077.50 and 7,976.59

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Solution

The fourth proportional to 15,390.52, 23,077.50 and 7,976.59 is: 11,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.52 : 23,077.50 = 7,976.59 : x
  2. Step 2: Convert to fraction form
    15,390.52/23,077.50 = 7,976.59/x
  3. Step 3: Cross multiply
    15,390.52x = 23,077.50 × 7,976.59
  4. Step 4: Simplify right side
    15,390.52x = 184,079,755.73
  5. Step 5: Solve for x
    x = 184,079,755.73/15,390.52
  6. Step 6: Final answer
    x = 11,960.59

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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.