Home / 15,012.07-22,519.27-8,772.73

Finding the Fourth Proportional to 15,012.07, 22,519.27 and 8,772.73

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Solution

The fourth proportional to 15,012.07, 22,519.27 and 8,772.73 is: 13,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.07 : 22,519.27 = 8,772.73 : x
  2. Step 2: Convert to fraction form
    15,012.07/22,519.27 = 8,772.73/x
  3. Step 3: Cross multiply
    15,012.07x = 22,519.27 × 8,772.73
  4. Step 4: Simplify right side
    15,012.07x = 197,555,430.17
  5. Step 5: Solve for x
    x = 197,555,430.17/15,012.07
  6. Step 6: Final answer
    x = 13,159.77

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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.