Home / 8,199.95-12,298.61-2,355.23

Finding the Fourth Proportional to 8,199.95, 12,298.61 and 2,355.23

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Solution

The fourth proportional to 8,199.95, 12,298.61 and 2,355.23 is: 3,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.95 : 12,298.61 = 2,355.23 : x
  2. Step 2: Convert to fraction form
    8,199.95/12,298.61 = 2,355.23/x
  3. Step 3: Cross multiply
    8,199.95x = 12,298.61 × 2,355.23
  4. Step 4: Simplify right side
    8,199.95x = 28,966,043.45
  5. Step 5: Solve for x
    x = 28,966,043.45/8,199.95
  6. Step 6: Final answer
    x = 3,532.47

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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.