Home / 15,019.83-20,730.33-8,733.42

Finding the Fourth Proportional to 15,019.83, 20,730.33 and 8,733.42

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Solution

The fourth proportional to 15,019.83, 20,730.33 and 8,733.42 is: 12,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.83 : 20,730.33 = 8,733.42 : x
  2. Step 2: Convert to fraction form
    15,019.83/20,730.33 = 8,733.42/x
  3. Step 3: Cross multiply
    15,019.83x = 20,730.33 × 8,733.42
  4. Step 4: Simplify right side
    15,019.83x = 181,046,678.63
  5. Step 5: Solve for x
    x = 181,046,678.63/15,019.83
  6. Step 6: Final answer
    x = 12,053.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.