Home / 10,190.34-15,282.95-3,948.21

Finding the Fourth Proportional to 10,190.34, 15,282.95 and 3,948.21

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Solution

The fourth proportional to 10,190.34, 15,282.95 and 3,948.21 is: 5,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.34 : 15,282.95 = 3,948.21 : x
  2. Step 2: Convert to fraction form
    10,190.34/15,282.95 = 3,948.21/x
  3. Step 3: Cross multiply
    10,190.34x = 15,282.95 × 3,948.21
  4. Step 4: Simplify right side
    10,190.34x = 60,340,276.28
  5. Step 5: Solve for x
    x = 60,340,276.28/10,190.34
  6. Step 6: Final answer
    x = 5,921.32

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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.