Home / 8,951.19-13,368.25-7,620.76

Finding the Fourth Proportional to 8,951.19, 13,368.25 and 7,620.76

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Solution

The fourth proportional to 8,951.19, 13,368.25 and 7,620.76 is: 11,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.19 : 13,368.25 = 7,620.76 : x
  2. Step 2: Convert to fraction form
    8,951.19/13,368.25 = 7,620.76/x
  3. Step 3: Cross multiply
    8,951.19x = 13,368.25 × 7,620.76
  4. Step 4: Simplify right side
    8,951.19x = 101,876,224.87
  5. Step 5: Solve for x
    x = 101,876,224.87/8,951.19
  6. Step 6: Final answer
    x = 11,381.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.