Home / 9,915.77-14,863.58-6,220.57

Finding the Fourth Proportional to 9,915.77, 14,863.58 and 6,220.57

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Solution

The fourth proportional to 9,915.77, 14,863.58 and 6,220.57 is: 9,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.77 : 14,863.58 = 6,220.57 : x
  2. Step 2: Convert to fraction form
    9,915.77/14,863.58 = 6,220.57/x
  3. Step 3: Cross multiply
    9,915.77x = 14,863.58 × 6,220.57
  4. Step 4: Simplify right side
    9,915.77x = 92,459,947.08
  5. Step 5: Solve for x
    x = 92,459,947.08/9,915.77
  6. Step 6: Final answer
    x = 9,324.54

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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.