Home / 10,297.46-14,211.65-8,615.90

Finding the Fourth Proportional to 10,297.46, 14,211.65 and 8,615.90

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Solution

The fourth proportional to 10,297.46, 14,211.65 and 8,615.90 is: 11,890.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.46 : 14,211.65 = 8,615.90 : x
  2. Step 2: Convert to fraction form
    10,297.46/14,211.65 = 8,615.90/x
  3. Step 3: Cross multiply
    10,297.46x = 14,211.65 × 8,615.90
  4. Step 4: Simplify right side
    10,297.46x = 122,446,212.30
  5. Step 5: Solve for x
    x = 122,446,212.30/10,297.46
  6. Step 6: Final answer
    x = 11,890.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.