Home / 10,031.94-15,047.64-4,188.42

Finding the Fourth Proportional to 10,031.94, 15,047.64 and 4,188.42

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Solution

The fourth proportional to 10,031.94, 15,047.64 and 4,188.42 is: 6,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.94 : 15,047.64 = 4,188.42 : x
  2. Step 2: Convert to fraction form
    10,031.94/15,047.64 = 4,188.42/x
  3. Step 3: Cross multiply
    10,031.94x = 15,047.64 × 4,188.42
  4. Step 4: Simplify right side
    10,031.94x = 63,025,836.33
  5. Step 5: Solve for x
    x = 63,025,836.33/10,031.94
  6. Step 6: Final answer
    x = 6,282.52

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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.