Home / 12,847.59-19,271.95-4,419.90

Finding the Fourth Proportional to 12,847.59, 19,271.95 and 4,419.90

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Solution

The fourth proportional to 12,847.59, 19,271.95 and 4,419.90 is: 6,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.59 : 19,271.95 = 4,419.90 : x
  2. Step 2: Convert to fraction form
    12,847.59/19,271.95 = 4,419.90/x
  3. Step 3: Cross multiply
    12,847.59x = 19,271.95 × 4,419.90
  4. Step 4: Simplify right side
    12,847.59x = 85,180,080.76
  5. Step 5: Solve for x
    x = 85,180,080.76/12,847.59
  6. Step 6: Final answer
    x = 6,630.04

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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.