Home / 12,159.20-18,209.40-10,063.77

Finding the Fourth Proportional to 12,159.20, 18,209.40 and 10,063.77

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Solution

The fourth proportional to 12,159.20, 18,209.40 and 10,063.77 is: 15,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.20 : 18,209.40 = 10,063.77 : x
  2. Step 2: Convert to fraction form
    12,159.20/18,209.40 = 10,063.77/x
  3. Step 3: Cross multiply
    12,159.20x = 18,209.40 × 10,063.77
  4. Step 4: Simplify right side
    12,159.20x = 183,255,213.44
  5. Step 5: Solve for x
    x = 183,255,213.44/12,159.20
  6. Step 6: Final answer
    x = 15,071.33

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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.