Home / 10,955.91-15,126.08-8,433.27

Finding the Fourth Proportional to 10,955.91, 15,126.08 and 8,433.27

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Solution

The fourth proportional to 10,955.91, 15,126.08 and 8,433.27 is: 11,643.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.91 : 15,126.08 = 8,433.27 : x
  2. Step 2: Convert to fraction form
    10,955.91/15,126.08 = 8,433.27/x
  3. Step 3: Cross multiply
    10,955.91x = 15,126.08 × 8,433.27
  4. Step 4: Simplify right side
    10,955.91x = 127,562,274.52
  5. Step 5: Solve for x
    x = 127,562,274.52/10,955.91
  6. Step 6: Final answer
    x = 11,643.24

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Similar ratio
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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.