Home / 10,102.34-13,940.28-5,853.56

Finding the Fourth Proportional to 10,102.34, 13,940.28 and 5,853.56

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Solution

The fourth proportional to 10,102.34, 13,940.28 and 5,853.56 is: 8,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.34 : 13,940.28 = 5,853.56 : x
  2. Step 2: Convert to fraction form
    10,102.34/13,940.28 = 5,853.56/x
  3. Step 3: Cross multiply
    10,102.34x = 13,940.28 × 5,853.56
  4. Step 4: Simplify right side
    10,102.34x = 81,600,274.11
  5. Step 5: Solve for x
    x = 81,600,274.11/10,102.34
  6. Step 6: Final answer
    x = 8,077.37

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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.