Home / 9,919.54-14,865.50-6,591.70

Finding the Fourth Proportional to 9,919.54, 14,865.50 and 6,591.70

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Solution

The fourth proportional to 9,919.54, 14,865.50 and 6,591.70 is: 9,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.54 : 14,865.50 = 6,591.70 : x
  2. Step 2: Convert to fraction form
    9,919.54/14,865.50 = 6,591.70/x
  3. Step 3: Cross multiply
    9,919.54x = 14,865.50 × 6,591.70
  4. Step 4: Simplify right side
    9,919.54x = 97,988,916.35
  5. Step 5: Solve for x
    x = 97,988,916.35/9,919.54
  6. Step 6: Final answer
    x = 9,878.37

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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.