Home / 10,188.90-15,282.05-3,944.64

Finding the Fourth Proportional to 10,188.90, 15,282.05 and 3,944.64

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Solution

The fourth proportional to 10,188.90, 15,282.05 and 3,944.64 is: 5,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.90 : 15,282.05 = 3,944.64 : x
  2. Step 2: Convert to fraction form
    10,188.90/15,282.05 = 3,944.64/x
  3. Step 3: Cross multiply
    10,188.90x = 15,282.05 × 3,944.64
  4. Step 4: Simplify right side
    10,188.90x = 60,282,185.71
  5. Step 5: Solve for x
    x = 60,282,185.71/10,188.90
  6. Step 6: Final answer
    x = 5,916.46

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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.