Home / 10,968.93-15,134.72-6,489.27

Finding the Fourth Proportional to 10,968.93, 15,134.72 and 6,489.27

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Solution

The fourth proportional to 10,968.93, 15,134.72 and 6,489.27 is: 8,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.93 : 15,134.72 = 6,489.27 : x
  2. Step 2: Convert to fraction form
    10,968.93/15,134.72 = 6,489.27/x
  3. Step 3: Cross multiply
    10,968.93x = 15,134.72 × 6,489.27
  4. Step 4: Simplify right side
    10,968.93x = 98,213,252.01
  5. Step 5: Solve for x
    x = 98,213,252.01/10,968.93
  6. Step 6: Final answer
    x = 8,953.77

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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.