Home / 19,730.20-29,580.90-8,037.40

Finding the Fourth Proportional to 19,730.20, 29,580.90 and 8,037.40

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Solution

The fourth proportional to 19,730.20, 29,580.90 and 8,037.40 is: 12,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.20 : 29,580.90 = 8,037.40 : x
  2. Step 2: Convert to fraction form
    19,730.20/29,580.90 = 8,037.40/x
  3. Step 3: Cross multiply
    19,730.20x = 29,580.90 × 8,037.40
  4. Step 4: Simplify right side
    19,730.20x = 237,753,525.66
  5. Step 5: Solve for x
    x = 237,753,525.66/19,730.20
  6. Step 6: Final answer
    x = 12,050.23

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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.