Home / 8,915.08-13,372.54-6,271.72

Finding the Fourth Proportional to 8,915.08, 13,372.54 and 6,271.72

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Solution

The fourth proportional to 8,915.08, 13,372.54 and 6,271.72 is: 9,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.08 : 13,372.54 = 6,271.72 : x
  2. Step 2: Convert to fraction form
    8,915.08/13,372.54 = 6,271.72/x
  3. Step 3: Cross multiply
    8,915.08x = 13,372.54 × 6,271.72
  4. Step 4: Simplify right side
    8,915.08x = 83,868,826.57
  5. Step 5: Solve for x
    x = 83,868,826.57/8,915.08
  6. Step 6: Final answer
    x = 9,407.52

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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.