Home / 20,022.02-30,037.26-6,870.86

Finding the Fourth Proportional to 20,022.02, 30,037.26 and 6,870.86

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Solution

The fourth proportional to 20,022.02, 30,037.26 and 6,870.86 is: 10,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.02 : 30,037.26 = 6,870.86 : x
  2. Step 2: Convert to fraction form
    20,022.02/30,037.26 = 6,870.86/x
  3. Step 3: Cross multiply
    20,022.02x = 30,037.26 × 6,870.86
  4. Step 4: Simplify right side
    20,022.02x = 206,381,808.24
  5. Step 5: Solve for x
    x = 206,381,808.24/20,022.02
  6. Step 6: Final answer
    x = 10,307.74

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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.