Home / 8,913.16-13,382.70-6,580.36

Finding the Fourth Proportional to 8,913.16, 13,382.70 and 6,580.36

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Solution

The fourth proportional to 8,913.16, 13,382.70 and 6,580.36 is: 9,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.16 : 13,382.70 = 6,580.36 : x
  2. Step 2: Convert to fraction form
    8,913.16/13,382.70 = 6,580.36/x
  3. Step 3: Cross multiply
    8,913.16x = 13,382.70 × 6,580.36
  4. Step 4: Simplify right side
    8,913.16x = 88,062,983.77
  5. Step 5: Solve for x
    x = 88,062,983.77/8,913.16
  6. Step 6: Final answer
    x = 9,880.11

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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.