Home / 12,573.09-18,859.30-4,253.04

Finding the Fourth Proportional to 12,573.09, 18,859.30 and 4,253.04

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Solution

The fourth proportional to 12,573.09, 18,859.30 and 4,253.04 is: 6,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.09 : 18,859.30 = 4,253.04 : x
  2. Step 2: Convert to fraction form
    12,573.09/18,859.30 = 4,253.04/x
  3. Step 3: Cross multiply
    12,573.09x = 18,859.30 × 4,253.04
  4. Step 4: Simplify right side
    12,573.09x = 80,209,346.64
  5. Step 5: Solve for x
    x = 80,209,346.64/12,573.09
  6. Step 6: Final answer
    x = 6,379.45

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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.