Home / 20,103.02-30,157.95-6,952.32

Finding the Fourth Proportional to 20,103.02, 30,157.95 and 6,952.32

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Solution

The fourth proportional to 20,103.02, 30,157.95 and 6,952.32 is: 10,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.02 : 30,157.95 = 6,952.32 : x
  2. Step 2: Convert to fraction form
    20,103.02/30,157.95 = 6,952.32/x
  3. Step 3: Cross multiply
    20,103.02x = 30,157.95 × 6,952.32
  4. Step 4: Simplify right side
    20,103.02x = 209,667,718.94
  5. Step 5: Solve for x
    x = 209,667,718.94/20,103.02
  6. Step 6: Final answer
    x = 10,429.67

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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.