Home / 10,366.08-15,548.80-3,440.64

Finding the Fourth Proportional to 10,366.08, 15,548.80 and 3,440.64

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Solution

The fourth proportional to 10,366.08, 15,548.80 and 3,440.64 is: 5,160.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.08 : 15,548.80 = 3,440.64 : x
  2. Step 2: Convert to fraction form
    10,366.08/15,548.80 = 3,440.64/x
  3. Step 3: Cross multiply
    10,366.08x = 15,548.80 × 3,440.64
  4. Step 4: Simplify right side
    10,366.08x = 53,497,823.23
  5. Step 5: Solve for x
    x = 53,497,823.23/10,366.08
  6. Step 6: Final answer
    x = 5,160.85

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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.