Home / 8,945.70-13,432.59-7,576.98

Finding the Fourth Proportional to 8,945.70, 13,432.59 and 7,576.98

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Solution

The fourth proportional to 8,945.70, 13,432.59 and 7,576.98 is: 11,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.70 : 13,432.59 = 7,576.98 : x
  2. Step 2: Convert to fraction form
    8,945.70/13,432.59 = 7,576.98/x
  3. Step 3: Cross multiply
    8,945.70x = 13,432.59 × 7,576.98
  4. Step 4: Simplify right side
    8,945.70x = 101,778,465.78
  5. Step 5: Solve for x
    x = 101,778,465.78/8,945.70
  6. Step 6: Final answer
    x = 11,377.36

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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.