Home / 15,573.03-21,491.26-8,859.63

Finding the Fourth Proportional to 15,573.03, 21,491.26 and 8,859.63

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Solution

The fourth proportional to 15,573.03, 21,491.26 and 8,859.63 is: 12,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.03 : 21,491.26 = 8,859.63 : x
  2. Step 2: Convert to fraction form
    15,573.03/21,491.26 = 8,859.63/x
  3. Step 3: Cross multiply
    15,573.03x = 21,491.26 × 8,859.63
  4. Step 4: Simplify right side
    15,573.03x = 190,404,586.77
  5. Step 5: Solve for x
    x = 190,404,586.77/15,573.03
  6. Step 6: Final answer
    x = 12,226.56

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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.