Home / 10,188.56-15,283.92-3,615.32

Finding the Fourth Proportional to 10,188.56, 15,283.92 and 3,615.32

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Solution

The fourth proportional to 10,188.56, 15,283.92 and 3,615.32 is: 5,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.56 : 15,283.92 = 3,615.32 : x
  2. Step 2: Convert to fraction form
    10,188.56/15,283.92 = 3,615.32/x
  3. Step 3: Cross multiply
    10,188.56x = 15,283.92 × 3,615.32
  4. Step 4: Simplify right side
    10,188.56x = 55,256,261.65
  5. Step 5: Solve for x
    x = 55,256,261.65/10,188.56
  6. Step 6: Final answer
    x = 5,423.36

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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.