Home / 12,573.33-18,856.90-4,566.78

Finding the Fourth Proportional to 12,573.33, 18,856.90 and 4,566.78

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Solution

The fourth proportional to 12,573.33, 18,856.90 and 4,566.78 is: 6,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.33 : 18,856.90 = 4,566.78 : x
  2. Step 2: Convert to fraction form
    12,573.33/18,856.90 = 4,566.78/x
  3. Step 3: Cross multiply
    12,573.33x = 18,856.90 × 4,566.78
  4. Step 4: Simplify right side
    12,573.33x = 86,115,319.49
  5. Step 5: Solve for x
    x = 86,115,319.49/12,573.33
  6. Step 6: Final answer
    x = 6,849.05

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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.