Home / 12,125.08-18,192.30-4,730.20

Finding the Fourth Proportional to 12,125.08, 18,192.30 and 4,730.20

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Solution

The fourth proportional to 12,125.08, 18,192.30 and 4,730.20 is: 7,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.08 : 18,192.30 = 4,730.20 : x
  2. Step 2: Convert to fraction form
    12,125.08/18,192.30 = 4,730.20/x
  3. Step 3: Cross multiply
    12,125.08x = 18,192.30 × 4,730.20
  4. Step 4: Simplify right side
    12,125.08x = 86,053,217.46
  5. Step 5: Solve for x
    x = 86,053,217.46/12,125.08
  6. Step 6: Final answer
    x = 7,097.13

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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.