Home / 8,664.04-13,000.74-5,743.72

Finding the Fourth Proportional to 8,664.04, 13,000.74 and 5,743.72

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Solution

The fourth proportional to 8,664.04, 13,000.74 and 5,743.72 is: 8,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.04 : 13,000.74 = 5,743.72 : x
  2. Step 2: Convert to fraction form
    8,664.04/13,000.74 = 5,743.72/x
  3. Step 3: Cross multiply
    8,664.04x = 13,000.74 × 5,743.72
  4. Step 4: Simplify right side
    8,664.04x = 74,672,610.35
  5. Step 5: Solve for x
    x = 74,672,610.35/8,664.04
  6. Step 6: Final answer
    x = 8,618.68

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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.