Home / 15,240.23-21,031.04-8,525.98

Finding the Fourth Proportional to 15,240.23, 21,031.04 and 8,525.98

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Solution

The fourth proportional to 15,240.23, 21,031.04 and 8,525.98 is: 11,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.23 : 21,031.04 = 8,525.98 : x
  2. Step 2: Convert to fraction form
    15,240.23/21,031.04 = 8,525.98/x
  3. Step 3: Cross multiply
    15,240.23x = 21,031.04 × 8,525.98
  4. Step 4: Simplify right side
    15,240.23x = 179,310,078.63
  5. Step 5: Solve for x
    x = 179,310,078.63/15,240.23
  6. Step 6: Final answer
    x = 11,765.58

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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.