Home / 8,515.90-11,748.68-6,283.10

Finding the Fourth Proportional to 8,515.90, 11,748.68 and 6,283.10

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Solution

The fourth proportional to 8,515.90, 11,748.68 and 6,283.10 is: 8,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.90 : 11,748.68 = 6,283.10 : x
  2. Step 2: Convert to fraction form
    8,515.90/11,748.68 = 6,283.10/x
  3. Step 3: Cross multiply
    8,515.90x = 11,748.68 × 6,283.10
  4. Step 4: Simplify right side
    8,515.90x = 73,818,152.83
  5. Step 5: Solve for x
    x = 73,818,152.83/8,515.90
  6. Step 6: Final answer
    x = 8,668.27

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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.